Features • WATERPROOF NUBUC LEATHER UPPER • THERMO-DRI® WATERPROOF AND INSULATION SYSTEM • CIRCULAR SIDE-ZIPPER • 600G THINSULATE® INSULATION, -60F TEMP RATING • ABRASION RESISTANT RUBBER TOE AND HEEL OVERLAYS • LIGHTWEIGHT COMPRESSION MOLDED EVA MIDSOLE • COMFORT TEC CONTOURED SOCK LINER • AGGRESSIVE WINTER TRACTION WITH ANTI FREEZE RUBBER |