adidas outdoor Choleah Padded CP Primaloft Winter Boot - Women's Black/Chalk White/Clear Onix - Tonal Reflective Print 10.5 fabric and Synthetic Shaft measures approximately 6" from arch UPPER: Primaloft 100g insulation material for more warmth, even in wet conditions. UPPER: Climaproof membrane for waterproof protection in wet conditions. MIDSOLE: Aluminum board insert to protect against cold. MIDSOLE: adiPRENE insert for comfort and shock absorption. OUTSOLE: Super High Traction Rubber for optimal grip in wet conditions.