Built for all-weather, all-terrain performance, Northside Williston Insulated Waterproof Winter Boots for Men offer lightweight protection for wintry excursions. The Williston's lightweight and waterproof nylon ripstop uppers sport seamless molded thermoplastic polyurethane (TPU) paneling with added reinforcement over the toe and heel. Inside, 200-gram 3M Thinsulate Insulation helps block out the cold of a winter day to help keep feet warm and comfy. Removable/washable insoles and CMEVA midsoles work together under the feet to provide serious cushioning and shock absorption all day long. Sturdy rubber traction outsoles deliver trusty traction over wet or dry surfaces to keep you going through all winter conditions. Gusseted tongues. D-ring speed lacing system.Manufacturer style #: 920892. Lightweight winter boots for any weather and any terrain Lightweight and waterproof nylon ripstop uppers Seamless molded TPU paneling with added reinforcement over the toe and heel 200-gram 3M Thinsulate Insulation Removable/washable insoles CMEVA midsoles Sturdy rubber traction outsoles Gusseted tongues D-ring speed lacing system