UA FLOW CUSHIONING:Unmatched comfort, ground contact & traction-no squeaks.BREATHABLE UPPER:Reinforced supportive material with engineered venting.BOA FIT SYSTEM:A personalized fit, one click at a time, with a 12-point lockdown system.ISO-CHILL PADDED INTERIOR:Heel to toe interior foam padding with cool-to-the-touch Iso-Chill technology.MACHINE WASHABLE:We made it easy-put them in the wash to keep them fresh & clean*.CONVERTIBLE HEEL:Go from train mode to recover mode.*Laundry bag not included.