The Alpha Aggressive 800G Safety Toe Work Boots from Lacrosse feature an extremely durable Vibram outsole for superior traction for any outdoor conditions. Long-wearing, comfortable, lightweight and 100% waterproof, these boots are made with Alpha construction, which consists of ozone-resistant rubber over 3.5mm naturally-insulating neoprene to keep feet dry and comfortable. Back gusset and strap on the 16” shaft supplies a customized fit and is easily adjustable to accommodate clothing. The Mud Lite outsole provides superior traction with a low profile 90º heel, unique multi-directional lug pattern, and an oil and slip resistant rubber compound. The non-metallic safety toe meets or exceeds ASTM standard F2413-11 M I/75 C/75 EH and the rubber upper offers chemical resistance against 25 industry chemicals tested to ASTM F903 Procedure A.