Leather boot Rubber sole Shaft measures approximately Ankle from arch Non-metallic construction throughout Aggressive slip-resistant sole features deep lugs, multi-direction traction and durable high-wear zones to provide exceptional durability and traction Shock absorbing dual density polyurethane mid-sole Custom 3-layer insole with anti-fatigue, shock absorbing gel pads, energy return foam, and a breathable, memory foam top layer Only 2.5lbs per boot!