Built to take on the elements - our men's 8" waterproof insulated 4x4 work boot.Wet conditions and cold temperatures are no match for these hard-wearing boots. They're equipped with high-tech comfort technology like our exclusive SCUBALINER™ waterproof membrane and 800 grams of Thinsulate™ insulation.Copper Crazy Horse Leather & Nylon Mesh UpperWaterproof SCUBALINER™800 Grams of Thinsulate™ InsulationRemovable AG7™ Polyurethane FootbedEVA MidsolePillow Cushion™ InsoleElectrical Hazard RatedNon-Metallic ShankCement ConstructionOil & Slip Resisting 4X4 Rubber Outsole