NIKE HYPERKO 2 LE.Lightweight Cage Support.Overlays and skin provide support through a lightweight and mobile package.Sock Like Fit.Zonal stretch and lockout provides a seamless fit through a wide range of motion.Form Fitting Cuff.An industry first cuff construction provides enhanced performance and sensation.NIKE FLYKNIT.Engineered to provide unprecedented fit and support.NIKE SKIN.Offers exoskeleton-like support through the ankle and midfoot.DROP IN CUSHIONING.A PU drop-in provides protection 6 cushioning.SPLIT SOLE.Provides added flexibility and stability through the rounds.