Baffin Mens Men's Borealis Synthetic Imported Rubber sole Shaft measures approximately High-Top" from arch Temperature Rating: 5C/41F to -30C/-22F Liner: Removable & Wearable Body-heat moldable Ultralite System Removable stabilizing anti-microbial insole Base: Dual-density midsole combines AirGrip Midsole with stronger, stabilizing upper-midsole & Polar Rubber outsole Front-lace fastening Over-ankle supportive height Completely Waterproof