adidas Women's CW Libria Pearl CP Boot other Shaft measures approximately 7.5" from arch UPPER: Climaproof membrane for waterproof protection in wet conditions. UPPER: Primaloft 200g insulation material for more warmth, even in wet conditions. COLLAR: Warm felt collar for comfort feeling. UPPER: Reinforced toe and heel cap for maximum protection and support. MIDSOLE: adiPRENE insert for comfort and shock absorption. OUTSOLE: Traxion - Strong profile for optimal grip in winter conditions.