PUMA Women's Formlite XT Ultra Fluo WN's-W 100% Textile and Synthetic Imported Rubber sole Shaft measures approximately 2.5" from arch Lightweight double-layered mesh upper for increased breathability and comfort, with bonded overlays for a minimal, flexible, and comfortable fit moveCELL designation for its highly flexible, adaptive design engineered to enhance and maximize your body's natural movement Injected EVA midsole for superior cushioning and enhanced comfort; carved-out design for lighter weight and 360-degree flexibility Breathable OrthoLite sockliner for optimum fit and comfort