Stay warm all season long with the long-lasting durability and insulated comfort of the Merrell® Thermo Freeze 6" Waterproof winter boot. - Waterproof PU-coated leather and mesh upper with a protective rubber shell. - M Select™ DRY waterproof membrane keeps feet protected from the wet elements. - 400g M Select™ lightweight insulation keeps you warm and comfortable. - Traditional lace-up closure with fabric laces and metal hooks for a secure fit. Front and back pull loops for easy entry. Bellows tongue keeps debris out. - Removable Kinetic Fit™ Base insole is contoured for underfoot support and comfort. - EVA midsole for stability and shock absorption. Molded nylon arch shank for added stability. - Vibram® Arctic Grip™ outsole delivers maximum traction on wet ice and in most winter conditions. 5mm lug depth. - Weight (based on a single size 11 boot): 18 oz. Note: Other than trying on the boots and walking around on a carpeted surface, these boots are brand new and in the box.