Waterproof Leather upper with PK Wicking Mesh lining. Direct Injected construction. C.S.A. Grade 1 Approved, E.S.R. Rated. Steel Toe and Plate. Removable Dual Density PU insole. Oil and Slip Resistant Wolverine® DuraShocks® Rubber Stingray outsole. PU Midsole. 200 gms. Thinsulate™ Insulation. TPU Toe Bumper.