Premium waterproof full-grain leather upperBreathable waterproof membrane with moisture wicking mesh lining400g Thinsulate insulationRemovable DuraShocks PU footbedAdvanced comfort and protection from PU midsoleRubber lug outsole with Wolverine DuraShocks FlexWolverine ContourWelt construction engineered for flexibilityNylon ShankASTM F2413-18 M I/75 C/75 EH rated CarbonMax composite-toe