The Blast Insulated Boot is designed for extreme cold conditions and maximum safety. It features an ASTM F2413-18 composite safety toe that provides protection from impact and compression. The 400 gram ultra Thinsulate® insulation keeps your feet warm and comfortable in even the coldest environments. The HyDry® waterproof membrane ensures your feet stay dry and comfortable in wet conditions. The slip-resistant rubber outsole with special ice gripping plugs provides excellent traction on multiple surfaces, giving you peace of mind in slippery conditions. The premium PU memory foam insole provides cushioning and support for all-day comfort. The Blast Insulated Boot is ASTM F2413-18 M/I/C EH rated, and comes in sizes 8-12, 13, 14, and 15 in D(M) and 2E(W) widths, making it a versatile and reliable choice for cold weather work and outdoor activities.