Shoes

Replacement tread blocks for 2013 and newer full carbon Drako/Tiger.

The Sidi Prima is designed for the modern rider. The Prima is easy to wear and adjust, thanks to its Firmor Closure and lightweight upper built to reduce foot fatigue. Its low-profile carbon nylon Aerolite Sole is engineered for efficient power transfer for sprinting, with enough flex and comfort for long rides. -The Single Tecno-3 System creates a perfect balance between the shoe's internal and external side, providing an excellent fit while adapting to every instep -The Sidi Mega Last provides Sidi fit and performance to riders who have slightly wider feet -The Sidi Mega Last is 4mm wider across the ball of the foot, has more volume, a higher instep and a wider heel cup -Mega lasts are sized EE to EEE -The newly designed integrated heel cup is light weight and reinforced to avoid deformations after prolonged strenuous use -Aerolite sole is designed to maximize aerodynamics and power transmission on the bike -The nylon and carbon fiber composite material of the Aerolite Sole provides the perfect balance of stiffness and flex for effortless and comfortable pedaling -For walkability, Sidi cycling shoes include a replaceable polyurethane heel pad

The shoe that offers the best for everyone: whether racing or on a casual ride, the Sidi Genius 10 Mega is simply the best platform for a great day in the saddle. Built on over 60 years of experience in manufacturing cycling shoes, Genius is designed on a carbon composite sole that offers the perfect combination of strength and comfort, while the Microtech upper adapts to the shape of the foot for superior comfort -The Soft Instep Closure System is a wide, anatomically curved strap combined with a soft, thermo-formed EVA pad that distributes pressure evenly over the instep area -The Soft Instep Closure System is adjustable from both sides, to perfectly center the EVA pad over a high or low instep -Sidi's Tecno-3 System closure dials in fit along the entire length of the shoe, adapting the upper to the shape of the foot for a customized fit -The Sidi Mega Last provides Sidi fit and performance to riders who have slightly wider feet -The Sidi Mega Last is 4mm wider across the ball of the foot, has more volume, a higher instep and a wider heel cup -Mega lasts are sized EE to EEE -Improved proprietary Sidi wire material is non-binding for intuitive and effortless on-the-fly adjustments -Like most Sidi small parts, the Tecno-3 system is serviceable and replaceable -The newly designed integrated heel cup is light weight and reinforced to avoid deformations during prolonged strenuous use -The Carbon Composite Sole 20 is composed of nylon and injected carbon fiber. The result is a light and rigid sole that is impervious to humidity -The central part of the sole is graduated with a millimetric scale to facilitate accurate and repeatable cleat set-up -For walkability, Sidi cycling shoes include a replaceable polyurethane heel pad

Drako 2S SRS is designed for athletes looking for maximum foot stability to unleash all their power. The ventilated carbon sole, with the innovative Firmor Lateral Support System, combines efficient power transfer with superb lateral stabilization of the foot. The dual rotor closure allows for a perfect individual fit, with added protection from mud and debris -The Soft Instep Closure System is a wide, anatomically curved strap combined with a soft, thermo-formed EVA pad that distributes pressure evenly over the instep area -The central mounted Single Techno-3 Push mechanism guarantees balanced fit for every type of instep -Techno-3 Push System dials in fit along the entire length of the shoe, adapting the upper to the shape of the foot for a customized fit -The Adjustable Heel Retention Device reinforces the top of the heel cup and improves the fit by closing the back of the shoe securely around the rider's heel -The heel retention device tightens the top of the heel cup so that the heel doesn't slide out during steep climbs or sprints -Each side of the heel can be adjusted independently, for a perfect fit -The reinforced heel cup stabilizes and supports the heel. Anatomically shaped plastic, reduces heel slip and provides increased power transfer -The MTB SRS Carbon-Ground Sole raises the standard for mountain bike performance, dropping off about 100 grams per pair compared to the previous Dragon Carbon SRS sole without sacrificing power or durability -The MTB SRS Carbon-Ground Sole uses replaceable tread blocks in the heel and the toe - The Ground SRS treads and MTB plate are easily removable and replaceable

Engineered specifically for athletes who seek maximum foot stability when unleashing extreme power. Ventilated carbon sole with innovative Firmor Closure lateral support system suitable for athletes who need to combine power transfer with greater lateral foot stability. The specially designed dual-rotor closure offers the ultimate adjustment for the perfect level of lateral stability. -The Single Tecno-3 system creates a perfect tension balance between the shoe's internal and external side, and guarantees an excellent closure adapting to every instep -The Adjustable Heel Retention Device reinforces the top of the heel cup and improves the fit by closing the back of the shoe securely around the rider's heel -The heel retention device tightens the top of the heel cup so that the heel is secured during steep climbs and sprints, each side of the heel can be adjusted independently for a perfect fit -Oval holes extend the adjustment position of the cleat by ± 5 mm and a millimeter scale is included for determine the riders personal cleat position -For walkability, Sidi cycling shoes include a replaceable polyurethane heel pad. Wire's heel pad has a new design and it is very light -The Vent Carbon Sole is designed with an integrated vent and air channels for heat dissipation and air flow. The vent can be opened or closed for 4-season comfort -The women's specific fit is narrower across the ball of the foot and features less volume inn the instep area and a narrower heel cup

Ride further, whatever the terrain, whatever the bike, whatever the destination. The Sidi Eagle 10 is the best shoe for any day on the dirt, whatever your riding style. The Microtech upper, the first microfiber introduced in cycling shoes years ago by Sidi, is the most comfortable Sidi has ever offered, while the sole is designed to ensure the ideal combination of performance and comfort both on and off the bike. -The Soft Instep Closure System is a wide, anatomically curved strap combined with a soft, thermo-formed EVA pad that distributes pressure evenly over the instep area -The Instep Closure System is adjustable from both sides, to perfectly center the EVA pad over a high or low instep, ensuring an ideal fit -The Tecno-3 System dials in fit along the entire length of the shoe, adapting the upper to the shape of the foot for a customized fit -The all new proprietary SIDI Wire monofilament is completely non-binding for intuitive and effortless on-the-fly adjustments -The integrated heel cup, with a new light weight design is reinforced to avoid deformation during the most grueling of rides -The reflective inserts on the heel improve safety on the road, helping to signal the presence of the cyclist in conditions of poor visibility -The shape of the tread has been specifically designed for mountain biking, allowing improved grip, superior mud dispersion and great stability -The toe inserts are easily replaceable and offer the ability to mount crampons for particularly muddy rides -The Sidi MTB SR17 sole represents an ideal balance of stiffness for efficient power transfer and flexibility and comfort for walking -The women's specific fit is narrower across the ball of the foot and features less volume inn the instep area and a narrower heel cup

Ride further, whatever the terrain, whatever the bike, whatever the destination. The Sidi Eagle 10 is the best shoe for any day on the dirt, whatever your riding style. The Microtech upper, the first microfiber introduced in cycling shoes years ago by Sidi, is the most comfortable Sidi has ever offered, while the sole is designed to ensure the ideal combination of performance and comfort both on and off the bike. -The Soft Instep Closure System is a wide, anatomically curved strap combined with a soft, thermo-formed EVA pad that distributes pressure evenly over the instep area -The Instep Closure System is adjustable from both sides, to perfectly center the EVA pad over a high or low instep, ensuring an ideal fit -The Tecno-3 System dials in fit along the entire length of the shoe, adapting the upper to the shape of the foot for a customized fit -The all new proprietary SIDI Wire monofilament is completely non-binding for intuitive and effortless on-the-fly adjustments -The integrated heel cup, with a new light weight design is reinforced to avoid deformation during the most grueling of rides -The reflective inserts on the heel improve safety on the road, helping to signal the presence of the cyclist in conditions of poor visibility -The shape of the tread has been specifically designed for mountain biking, allowing improved grip, superior mud dispersion and great stability -The toe inserts are easily replaceable and offer the ability to mount crampons for particularly muddy rides -The Sidi MTB SR17 sole represents an ideal balance of stiffness for efficient power transfer and flexibility and comfort for walking

Tecno 4 Push Tensioner system for Sidi Sixy shoes.

Soft Instep Closure 2 - Kaos - Genius - Cape - Dominator

C-Boost SRS Toe Insert from Sidi.

A fast and efficient shoe with tested strength and grip for the most demanding rides. Intuitive adjustments and a clean design make the Sidi Fast 2 an easy-to-use high-performance shoe. -The Single Tecno-3 system creates a perfect tension balance between the shoe's internal and external side, guarantees an excellent closure adapting to every instep -The newly designed integrated heel cup is lightweight and reinforced to avoid deformations after prolonged strenuous use -The Aerolite sole is designed to maximize aerodynamics and power transmission -The nylon and carbon fiber construction of the Aerolite Sole provides the ideal balance of stiffness for efficient power transfer, and flexibility for comfort -The Fast 2 includes a user replaceable polyurethane heel pad for improved stability and traction off the bike

Designed for our professional athletes, the Sidi Tiger 2S efficiently transfers all the power you can unleash while maintaining a high level of comfort, allowing you to focus entirely on the course. The Tecno 3 closure is strategically placed to prevent contact with other riders in crowded situations. The upper is made of Bioveg material derived from recycled microfibers with a plant based external finish. The MTB SRS Carbon sole harnesses the strength of interwoven carbon fibers for efficient energy transfer and its SRS technology allows riders to maintain maximum grip level at all times. -The Tecno-3 Push Flex completely eliminates the pressure zone on the instep and significantly improves the comfort of the closure -Like most Sidi small parts, the Tecno-3 System is serviceable and replaceable -The adjustable heel retention device reinforces the top of the heel cup, closing the back of the shoe securely so the heel doesn't slide out during steep climbs or sprints -The all new Sidi Integrated Heel Cup is light, comfortable and reinforced to avoid deformation -Each side of the heel can be adjusted independently for a perfect fit -The upper part of the toe section is protected with anti-slip rubber to resist and deflect impacts from stones or debris when cycling -The MTB SRS Carbon-Ground Sole raises the standard for mountain bike performance, dropping around 100 grams per pair compared to the previous Dragon Carbon SRS sole without sacrificing power or durability -The MTB SRS Carbon-Ground Sole consists of replaceable tread blocks in the toe and heel attached to a medium-modulus carbon sole -The Ground SRS treads and MTB Plate are easily removable and replaceable and the sole is toe-spike compatible -To improve walkability, Sidi cycling shoes include a replaceable polyurethane heel pad

The Sidi technology used for mountain biking is applied to the gravel discipline. The Sidi Dust Shoelace is a rigid high performance shoe with a tried and true closure design, technologically advanced and reliable. -The newly designed integrated heel cup is light weight and reinforced to avoid deformations after prolonged and strenuous use -Upper part of the toe section is rubberized to resist and deflect impacts from stones or debris when cycling -The Sidi MTB SR17 sole represents the ideal balance of stiffness for efficient power transfer and flexibility for walking -The toe inserts are easily replaceable and offers the possibility to mount spikes for particularly muddy rides

The Ranger is an XC-style shoe offering the same supportive fit and rugged durability found in our premium shoes. It features a stout nylon and rubber co-molded outsole for efficient pedaling with impressive durability, grip, and traction in rocks and mud. The upper combines supple synthetic fiber with mesh panels for increased breathability, fast dry times, and low weight. Three wide straps allow easy fit adjustments, and a supportive EVA footbed enhances comfort whether you're chasing your personal best or simply out to enjoy the trail with friends. Upper construction: - Classic 3-strap closure - One-piece Synchwire upper with thermo-bonded exo-structure - Rubber reinforced heel and toe sections - Reflective heel tab Footbed: - Die-cut EVA footbed with medium arch support Outsole: - Nylon-composite 2-bolt plate with dual-injected rubber outsole - Stainless steel hardware Product weight: - 315 grams (Size 42)

Clipless-compatible mountain biking shoes for gravity-fueled riding. Seek out epic new descents or muscle through rough terrain. These adidas Five Ten Hellcat Mountain Bike Shoes provide all-conditions comfort and precision geared towards enduro and downhill rides. They're wide and stiff enough to give a controlled-pedal feel plus durable and impact-resistant. Riding clipless or flat, they offer the grip to power down your line. This product is made with recycled content as part of our ambition to end plastic waste. 20% of pieces used to make the upper are made with minimum 50% recycled content. SPECIFICATIONS - Regular fit - Lace and hook-and-loop closures - Coated leather upper - Molded sockliner - Stealth Marathon rubber outsole - Clipless-compatible - Imported

The Cadet combines a supple, breathable Synchwire upper with a stout carbon-fiber-reinforced plate for pedaling efficiency, plus a supportive footbed with Aegis anti-microbial treatment for optimal comfort and fit. The single BOA L6 dial offers micro-adjustable tuning in 1mm increments, and combined with the adjustable forefoot strap, cradles your foot securely. This shoe is a great choice for riders looking for inspired performance, lasting comfort, and value. Upper construction: - One-piece Synchwire upper with thermo-bonded exo-structure - Laser-perforated ventilation throughout Footbed: - Die-cut EVA footbed with medium arch support Outsole: - Carbon fiber reinforced outsole with universal cleat mount (2- or 3-bolt) - Dual-injected TPU toe and heel pad Product weight: - 265 grams (Size 42)

Giro's Factor Techlace is a race-bred cycling shoe that couples the benefits of the Techlace system with the easy adjustment of a Boa dial, plus the performance you expect from Giro—all at an impressively low weight of 210 grams (size 42.5). The Techlace system replaces D-rings and other hardware with laces, providing a more supple feel across the forefoot, and the laces can be easily replaced if damaged. The Boa IP1 dial offers fast, intuitive adjustment in 1mm increments when tightening or loosening. The Factor Techlace upper is constructed with Evofiber SL, which is durable yet highly breathable. Inside the shoe, the SuperNatural Fit footbed features adjustable arch supports to personalize fit, comfort and pedaling efficiency. Power transfer is bolstered by the Easton EC90 SLX2 carbon fiber outsole, which is among the lightest, thinnest and stiffest pedaling platforms on the road, giving you a direct connection to the pedals. - One-piece upper design - Premium Evofiber SL breathable - Teijin microfiber - Techlace + Boa IP 1 dial (1mm +/- with macro release) - Easton EC90 SLX2 high-modulus carbon - Steel hardware - Replaceable heel pads - Super Natural Fit Kit with adjustable arch support - X- Static anti-microbial fiber - Travel bag included - Weight: 210 grams (size 42.5)

Mountain bike shoes for aggressive, gravity-fueled riding. Downhill or enduro, these adidas Five Ten Hellcat Pro Mountain Bike Shoes offer all-conditions control for gravity-fueled riding. Cleat-compatible with a stiff midsole, they allow for aggressive pedaling. A synthetic upper with abrasion-resistant weldings provides extra durability. Non-marking Stealth Marathon rubber grips pedals and ground alike. This product is made with recycled content as part of our ambition to end plastic waste. 20% of pieces used to make the upper are made with minimum 50% recycled content. SPECIFICATIONS - Regular fit - Lace and hook-and-loop closure - Textile upper - Molded sockliner - Abrasion-resistant weldings - Clipless-compatible - Stealth Marathon rubber outsole - Imported

Flat-pedal mountain bike shoes for gravity and enduro riding. Choose your line and let it roll. The adidas Five Ten Impact Pro shoes set the standard for flat-pedal mountain bike control. Pedal-gripping tread and a wide, stiff platform support aggressive enduro and gravity riding. Go ahead and send it. PEDAL-GRIPPING CONTROL Stealth S1 rubber provides unmatched pedal grip. WIDE, STIFF PLATFORM Reinforced midsole provides a stiff platform for aggressive riding. IMPACT RESISTANT PORON reinforced toe box adds impact resistance. SPECIFICATIONS - Lace closure - Quick-dry synthetic upper with reinforced toe box - Stiff, supportive feel - Gravity-minded mountain biking shoes - Compression-molded PU midsole - Stealth S1 rubber outsole - Imported

The Tracker fits the need for a cycling/e-bike friendly flat pedal shoe that's light, comfortable and breathable enough for all-day adventures, yet doesn't sacrifice grip or performance when you need it. Built on our new last, placing the foot closer to the pedal and featuring a flat profile for optimal pedal contact, the Tracker has direct lineage to the performance of our more aggressive flat pedal models without any excess bulk. The Tack Rubber outsole engages flat pedal pins with confidence and a dual-layer EVA midsole provides comfort for off-the-bike hikes. A single, tongue mounted BOA L6 dial makes for quick on/off and micro-adjustment for a supportive fit.

We all have our tricks for successful cold-weather riding. Want to know ours? Neoprene Shoe Covers. Made for cold, wet, and windy days on the bike, stretchy neoprene and fully taped seams help keep feet dry and comfortable mile after mile. Whether you’re suiting up for a gravel adventure or a road ride, the universal cleat opening makes it easy to pull on over your preferred cycling shoe type. Abrasion-resistant panels in high-wear areas add durability. - Abrasion-resistant toe and heel sole with universal welted hook-and-loop closure, so covers are compatible with both road and mountain shoes. - Fabric Content: 100% Polyester

If you've never experienced the pain of riding with ice blocks for feet, consider yourself lucky. For the rest of us, however, it's a feeling that we'd be happy to never experience again. But without pieces like our Neoprene Toe Covers, history is doomed to repeat itself this winter. - Abrasion-resistant bottom and toe panels increase the covers' lifespan. - Universal cleat opening means that the covers are compatible with both road and mountain shoes. - Fabric Content: 100% Neoprene

To make a full-featured shoe that rivals minimalist designs in weight, we created the imperial road shoe, which features our own ultralight monofilament Synchwire mesh upper that fits and feels like a second skin. The Imperial's Synchwire upper features Boa IP1 dials and soft lace guides, which allow you to adjust your fit on the fly while reaping the benefits of the shoes light weight. Thermal-welded Teijin TPU adds structural support exactly where it's needed, and a high-modulus Easton EC90 SLX2 carbon fiber plate provides ultimate stiffness-to-weight for power transfer. Our adjustable Super Natural Fit footbed system is the final touch, allowing you to customize arch support right out of the box for luxurious comfort and optimal pedaling efficiency. - One-piece Synchwire upper design with soft lace guides - Teijin welded SL monofilament mesh - Twin Boa IP1 dials featuring 1mm +/- micro adjustment and incremental release - Easton EC90 SLX2 high-modulus carbon - Stainless steel hardware - Replaceable heel pads - Supernatural fit kit with adjustable arch support - XT2 anti-microbial fiber top sheet - 215 grams (size 42.5)

Built for high-alpine terrain, the Rime 2.0 brings rugged capability to ensure you can conquer any mountain trail. XPEL mesh lining sheds while you shred, preventing the shoe from becoming water-logged in creek crossings and will dry overnight. Our Lollipop midsole construction is paired with a gnarly Vibram rubber outsole creating superb/unmatched off-bike push-ability for getting over any unrideable terrain. For closure, a standard lace is paired with an L6 Boa for a precise fit, on-bike adjustability, and redundancy to keep you riding when you're in the backcountry. - Body Geometry sole construction and footbeds are ergonomically designed and scientifically tested to boost power, increase efficiency, and reduce chance of injury by optimizing hip, knee, and foot alignment. - XPEL hydrophobic mesh construction reduces water absorption and dramatically improves drying time. - Landing Strip cleat pocket is optimized for effortless foot-out riding style with platform clip pedals. - Boa L6-Snap dials for easy adjustment, backed by the Boa Lifetime Guarantee - Stiff Lollipop nylon composite plate for high performance pedaling and off-the-bike comfort. - Vibram rubber sole for confident traction - Relaxed Fit for a balance of pedal feel and off-bike comfort - Two-bolt cleat pattern fits all major mountain pedals. - Approximate weight: 384g (1/2 pair, size 42)

Built for high-alpine terrain, the Rime 2.0 Hydroguard brings rugged capability to ensure you can conquer any mountain trail in any conditions. The internal Hydroguard membrane helps keep your feet dry through stream crossings, puddles, and splashes and prevents the shoe from becoming water-logged. Our Lollipop midsole construction is paired with a gnarly Vibram rubber outsole creating unmatched off-bike push-ability for getting over any unrideable terrain. For closure, a standard lace is paired with an L6 Boa for a precise fit, on-bike adjustability, and redundancy to keep you riding when you're in the backcountry. - Built with Purpose. Backed by Science. Our Body Geometry trio of the Longitudinal Arch, Metatarsal Button, and Varus Wedge work together to increase efficiency, optimize hip, knee, and foot alignment, and reduce injury risks. - Internal Hydroguard membrane keeps feet dry through puddles, splashes, and stream crossings. - Upper is treated with DWR for water repellency and easy cleaning. - Landing Strip cleat pocket is optimized for effortless foot-out riding style with platform clip pedals. - Boa L6 dials for easy adjustment, backed by the Boa Lifetime Guarantee. - Stiff Lollipop nylon composite plate for high performance pedaling and off-the-bike comfort. - Vibram rubber sole for confident traction. - Cushioned EVA foam midsole for comfort with molded heel cup for stability. - Relaxed Fit last for a balance of pedal feel and off-bike comfort. - Two-bolt cleat pattern fits all major mountain pedals.

When the moment comes for an attack in the hills, a long solo move, or a full gas sprint for the line, every watt counts, which is why we designed the S-Works Ares to be the most efficient and powerful performance shoe ever made. We combined decades of Body Geometry development with obsessive innovation working with the world's best athletes to completely reimagine the race shoe. An entirely new, patent-pending closure system, Dyneema-reinforced toungless sock, and ultra-stiff FACT Powerline carbon outsole eliminate foot roll, reduce pressure on tendons, and transfer every ounce of power to the pedals for unprecedented performance and comfort. It's 1% faster than any shoe we've ever made, and at the finish line, that's all that matters. - The key to more comfort, less injuries, and higher power output comes from our ergonomically designed, scientifically tested Body Geometry features-Longitudinal Arch, Varus Wedge, and personalized insoles with a Metatarsal Button. When used in harmony, these three features align the hip, foot, and knee, while also limiting medial/lateral knee movement and maintaining good circulation down to your toes. - Patent-pending closure design secures the foot for extreme, out-of-saddle efforts, locking the metatarsals and preventing lateral roll. - Dyneema is sandwiched between layers of synthetic and TPU to create no-stretch zones for the ultimate connection and comfort. - Our stiffest and lightest FACT Powerline carbon plate maximizes power transfer: Stiffness Index 15. - Independent BOA Li2 Fit System for on-the-fly micro-adjustment, backed by the Boa Guarantee. - PadLock heel construction cradles the heel and is proven to improve acceleration. - Non-slip, replaceable heel tread with internally recessed screws for security. - Form Fit last with a roomy toe box for the ultimate in connectivity and comfort. - Titanium alloy cleat nuts can rotate to position cleats 5mm rearward and fits all major 3-hole road pedals. - Approximate weight: 220g (1/2 pair, Size 42)

If you’re looking for a versatile MTB shoe that can transition from hot laps in the park to cold beers at the base without missing a step, then look no further. The 2FO Roost Clip brings a casual, relaxed vibe with all the right DNA to get sendy on the bike. It combines a durable leather and textile upper, cushioned EVA foam midsole and relaxed fit last that can stand up to the rigors of daily trail use without sacrificing off-the-bike comfort and style. Last but not least, a SlipNot FG rubber sole delivers confident traction on and off the trail. - Body Geometry sole construction and footbeds are ergonomically designed and scientifically tested to boost power, increase efficiency, and reduce chance of injury by optimizing hip, knee, and foot alignment. - Stiff Lollipop nylon composite plate for high performance pedaling and off-the-bike comfort. - SlipNot FG rubber sole for confident traction. - Extended length cleat slot (4mm) for rearward cleat set up option. - Synthetic leather upper conforms to the foot and is built to last. - Cushioned EVA foam midsole for comfort - Relaxed Fit last for a balance of pedal feel and off-the-bike comfort. - Two-bolt cleat pattern fits all major mountain pedals. - Approximate weight: 367g (1/2 pair, Size 42)

Replacement tread for S-Works 7 Road shoes. - Heel Lugs only. - Sold in pairs with screws.

L6 Boa assembly for all Specialized L6-equipped shoes.

When the moment comes for an attack in the hills, a long solo move, or a full gas sprint for the line, every watt counts, which is why we designed the S-Works Ares to be the most efficient and powerful performance shoe ever made. We combined decades of Body Geometry development with obsessive innovation working with the world’s best athletes to completely reimagine the race shoe. An entirely new, patent-pending closure system, Dyneema-reinforced tongueless sock, and ultra-stiff FACT Powerline carbon outsole eliminate foot roll, reduce pressure on tendons, and transfer every ounce of power to the pedals for unprecedented performance and comfort. It’s 1% faster than any shoe we’ve ever made, and at the finish line, that’s all that matters. - The key to more comfort, less injuries, and higher power output comes from our ergonomically designed, scientifically tested Body Geometry features—Longitudinal Arch, Varus Wedge, and personalized insoles with a Metatarsal Button. When used in harmony, these three features align the hip, foot, and knee, while also limiting medial/lateral knee movement and maintaining good circulation down to your toes. - Patent-pending closure design secures the foot for extreme, out-of-saddle efforts, locking the metatarsals and preventing lateral roll. - Dyneema is sandwiched between layers of synthetic and TPU to create no-stretch zones for the ultimate connection and comfort. - Our stiffest and lightest FACT Powerline carbon plate maximizes power transfer: Stiffness Index 15. - Independent BOA Li2 Fit System for on-the-fly micro-adjustment, backed by the Boa Guarantee. - PadLock heel construction cradles the heel and is proven to improve acceleration. - Non-slip, replaceable heel tread with internally recessed screws for security. - Form Fit last with a roomy toe box for the ultimate in connectivity and comfort. - Titanium alloy cleat nuts can rotate to position cleats 5mm rearward and fits all major 3-hole road pedals. - Approximate weight: 220g (1/2 pair, Size 42)