The 6 inch Boot Waterproof from Chippewa features Cement with Chip-A-Tex Constructions. Black DRI-LEX 2000 Lining. Texon T-90 Flexwelt Insole. ASTM F2413-05 Steel Toe. Electrical Hazard Rated. EVA Midsole. Removable Polyurethane Interest. Vibram Mulit Sport.