The Circuit composite toe work boot will help you fight through all the bumps in the road | Waterproof leather upper | Composite toe meets or exceeds the ASTM F2413 protective toe classification | ASTM F2413 electrical hazard standard | Removable EVA footbed | Oil and slip resistant rubber outsole | Non-metallic shank | 800g Thinsulate insulation uses microfibers that trap dead air but do not absorb water, helping to keep feet warm even in damp conditions