Salomon Women's Xa Pro 3D W Trail Runner Synthetic Imported Rubber sole Shaft measures approximately low-top from arch Platform measures approximately 0.5 inches Stability: 3D chassis stabilizes the foot without sacrificing forefoot mobility Precise fit: Sensifit with quicklace delivers a fast, comfortable fit for every foot. Aggressive Grip: Contagrip with aggressive lug design ensures grip on all surfaces and terrain types. OUTSOLE: High Abrasion Contagrip / High Traction Contagrip CHASSIS: 3D Advanced Chassis