Regularupperabrasion resistant upper with a synthetic overlay for stability durabilityexternal tpu heel counter for locked in supportmolded toe capfootbedfull length charged cushioning sockliner provides ultimate comfort fitmidsoledual layer midsole combines charged cushioning in the arch micro g foam for the ulti mate blend of cushioned support explosive responsiveness where you need itoutsolestrategically placed rubber flex grooves in the outsole give you multisurface traction