Danner Women's High Ground 400g 100% Leather/Nylon Imported Rubber sole Shaft measures approximately 8" from arch Ultra durable, oiled nubuck leather with abrasionresistant leather on the high-wear areas, and lightweight 900 denier nylon backed with foam for all-day comfort in the field Lock and Load lacing system: Ghillies across the forefoot for secure fit and locking speed hooks for quick, easy lacing Available with Thinsulate Ultra Insulation 100 waterproof and breathable Gore-Tex lining Antimicrobial polyurethane footbed with open-cell construction for air circulation