Salomon Men's X Ultra Mid Aero Hiking Boot 100% Textile/Polyurethane Coated Leather Imported Synthetic sole Shaft measures approximately 6.75" 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