The Control 8” work boot is a full-grain insulated (200 grams), waterproof leather boot with tough tech for extreme abrasion resistance. Built for heavy industrial applications, this is the boot to provide you with ultimate protection. The Control 8” features composite toes making them lighter in weight than traditional steel toe boots. It is also electric hazard and slip resistant. Upper: Waterproof Full Grain Leather. Lining: Nylon Mesh. Sock Liner: Dual Density EVA. Midsole: PVC Welt. Outsole: T555. Protective Plate: Fabric. Construction: Goodyear Welt. Insulation: 200 gms. Thinsulate™.