Waterproof Leather Upper with Waterproof Membrane. Moisture Wicking Mesh Liner. Cement Construction, CSA Grade 1 Approved, E.S.R. Rated. “The Boss” Hi Volume Composite Toe, Flexible Wellmax Flex 5 Fabric Plate. Lightweight Compression Molded EVA Midsole, Sculpted Oil and Slip Resistant. W-200 Rubber Outsole. Removable Dual Density Open Cell Foam Comfort Cushion Insole. 200 gms. Thinsulate™insulation