The Alpha Aggressive Work Boot from LaCrosse offers unparalleled protection and comfort. Ozone-resistant, abrasion-resistant rubber offers 100\\% waterproof protection. ZXT rubber is a premium compound of rubber that has a high tensile strength, which means greater tear-resistance and greater durability. A full 800 grams of Thinsulate Ultra insulation lines the inside of the boot to help keep you warm on the coldest days on the job. Rubber cup outsole with built-in floatable non-exposed rubber midsole add comfort and durable performance. Removable EVA footbed adds cushioning for all day comfort. Cam-loc buckle supplies a customized fit and is easily adjustable to accommodate clothing. Mudlite outsole provides superior traction with a low profile 90º heel, unique multi-directional lug pattern, and an oil and slip resistant rubber compound. Fiberglass shank. Non-metallic toe is lighter than steel and meets or exceeds ASTM F2413-05 M I/75 C/75 EH standards. Electrical hazard (EH) footwear is manufactured with non-conductive electrical shock resistant soles and heels. Engineered rubber upper offers chemical resistance against 26 industry chemicals tested to ASTM F903 Procedure A. 16" height. Weighs 5 lbs. 2 oz. VPN: 426050.