Danner Women's Rivot TFX 8" GTX Waterproof Work Boot Leather Shaft measures approximately 8" from arch Full grain leather and 1000D nylon upper for superior protection and comfort 100% waterproof and breathable GORE-TEX liner is engineered to keep your feet dry and comfortable - even in extreme conditions Polyurethane footbed provides superior shock absorption with an additional layer of open cell construction for improved air circulation TERRA FORCE X platform for a lightweight fit with durability, traction, and maneuverability Vibram Rivot TFX outsole offers superior acceleration, braking, pivoting, and traction in rugged terrains, featuring 360 degree pivot point lugs for pivotal movements and broad flat lugs in the toe, heel and outer edges of the outsole for traction against walls and rocks