The Muck Boot Men's Chore Classic Met Guard PR Work Boot CHSMETA2 features a 5mm neoprene bootie for optimal comfort and performance. These boots are 100% waterproof and MUCKPROOF. The breathable mesh lining keeps your feet cool and dry, while the durable, quick-cleaning sole ensures long-lasting wear. With triple-toe and quadruple-rubber heel reinforcement, these boots provide extreme impact protection. Steel toe and shank, ASTM-rated F2413-18 M/I/C EH MT, and a non-metallic puncture-resistant plate offer ultimate underfoot protection for tough work environments.