Lowa Women's Focus GTX QC Hiking Boot 100% Leather and Textile Rubber sole Shaft measures approximately 5.25" from arch Heel measures approximately 1" Abrasion-resistant split leather and Cordura Waterproof and breathable Gore-Tex membrane C4 anatomically contoured tongue Balance Comfort moisture wicking foam footbed Self-cleaning tread 5mm nylon heel shank, 2mm forefoot shank Lowa gives you on-trail support with off-trail comfort in this lightweight, performance-oriented hiking boot.