The Carhartt® 6 Waterproof Work Boot is designed to fit and move like a running shoe, but gives you all the durability and protection you need to perform at your best every day. Style number: CMA6381.Composite safety toe work boot.Durable leather and 3D forming Ariaprene™ upper for an ideal fit, breathability, and long-lasting wear.Storm Defender® waterproof breathable membrane keeps out the wet elements. Carhartt Force® FastDry® technology lining wicks away sweat for comfort.Ortholite™ insole provides comfortable support and reduced foot fatigue.Carhartt EVA midsole absorbs impact to keep you comfortable.Cement construction for lightweight comfort.Durable rubber outsole provides excellent traction.Composite toe meets ASTM 2413-11 EH standards.