Lightweight, insulated and scent-free, the Mens AeroHead Sport 7mm Rubber Boots from LaCrosse are comfortable and durable without extra bulk and weight. LaCrosse AeroForm technology a revolutionary liquid polyurethane thats shaped over 7mm neoprene is responsible for these boots light weight and flexibility to give you a glove-like fit. Brush Tuff bidirectional material makes them highly abrasion-resistant. Ideal for use in cold conditions ranging from -50F to 40F. Adjustable back gussets help you customize the fit for your legs. Active fit. Imported. Ht: 16. Avg. wt: 5 lbs./pair. Mens whole sizes: 8-15. Color: Brown. Cancer and Reproductive Harm- www.P65Warnings.ca.gov. Type: Boots.