Metal free technology Premium waterproof full grain leather upper with sealed seams 200g of Thinsulate insulation SOS system by Kodiak designed to remove odours naturally Leather bellows tongue Abrasion resistant, durable PU toe cap Removable, comfortable shock resistant EVA insole CSA approved grade 1, composite toe, composite plate ESR electric shock resistant certified Durable, oil and slip resistant rubber outsole with Phylon midsole for maximum comfort