Salomon Women's X Ultra Mid Aero W Hiking Boot 100% Leather/Synthetic Imported Rubber sole Shaft measures approximately 4.5" from arch Stability & protection: Advanced Chassis and mid-height deliver stability and support on rugged terrain All terrain grip: Aggressive lugs with reverse chevron pattern help the non-marking Contagrip sole claw into any surface, for confidence on every hike. Breathability and lightweight: Open mesh and textile upper reduces weight and improves ventilation for warm weather hiking. OUTSOLE: Non marking Contagrip CHASSIS: Advanced Chassis