AIR R5H ROLLER S1P

Breathable ankle boot with penetration-resistant midsole, BOA® Fit System, memory foam ankle protection and a guard protecting the Achilles tendon. The FlexEnergy® component, the world’s most advanced shock-absorbing heel, stores kinetic energy and gives a greater than 55% energy return. The SieviAir® sole dissipates the perspiration created by the heat of the feet through special ducts.