These are the most versatile training shoes we´ve ever made.They feel great, feel cool, cushion better, fit perfectly, handle your toughest training, AND have a heel that converts easily from recover mode to train mode.FEATURES:-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.Fabric:- UPPER:86% Synthetic,14% Textile~OUTSOLE:100% Ethylene-Vinyl Acetate (EVA).