Its easy-access hook-and-loop strap makes the sporty NexGrip "Ice Jacob" your go-to winter boot. Its premium leather upper has membrane waterproofing, waterproof pleated side zipper, and 200g Thinsulate® insulation rated to -35 degrees Fahrenheit. The treaded, anti-slip rubber sole has patented retractable stainless steel cleats that can be flipped open to bite into ice when needed and folded out of the way in normal weather conditions. Dual removable insoles of polyurethane and aluminum/felt. Men's whole sizes 8 to 16 in 4E width.