Designed for riders who want reliable performance with zero fuss. Fast 3 features a supportive breathable mesh upper simple and secure NUUN(TM) 002M dial and a carbon composite sole that balances smooth stiffness with day-long comfort. Easy to wear easy to adjust built to go fast-or just go.Wyve integrated upper design is lightweight breathable and supportiveThe single NUUN(TM) 002M dial is solid compact and easy to adjust mid-rideR3CC carbon composite has a stiffness index 6 for balanced power transferFeaturing a unique adjustment plate with a 12mm cleat range this sole offers individual customization and practicality for a perfect fit on the go.Millennium Fit Insole for everyday comfortCrafted to last with replaceable Parts: NUUN(TM) dial insole 3-hole cleat plate and heel pad