Added safety in multiple conditions with waterproof leather upper, plus anti-slip RefrigiWear outsole that is electrical hazard compliant. Get less foot fatigue while tackling tough jobs thanks to the performance polyurethane shell that keeps the boot lightweight and durable along with RefrigiWear's exclusive VitaComfort system.Polarforce Max Boot Black Size 8 It features 800g of Thinsulate Ultra insulation with added warmth from Dri-Blaze lining, 8" leather upper, ASTM composite safety toe, rubber heel plate, and the boot is waterproof..