These are great safety work boots that can keep up with you. Equipped with a composite toe, these men's work boots meet ASTM standards for protective toe, impact and compression, as well as electrical hazard. These boots are waterproof and insulated with 800 grams of ThinsulateTM insulation, so no harsh winter conditions are too tough for these boots. Additional quality comes from Goodyear welt construction and a Vibram outsole that is durable and comfortable. Inside, a Terra Suspension footbed gives your feet the comfort and cushioning they need.