Built for late-season whitetail hunts, the Whisper Over Boot provides stationary insulation for hunters with lightweight hiking boots venturing deep into their treestand or saddle for long sits in frigid temps. The Over Boots are insulated with 200gsm of PrimaLoft Gold and feature an extra-durable coated neoprene sole to keep your feet warm and dry while standing on a platform, even in the nastiest conditions. Constructed to fit over traditional hunting boots, full-length zippers allow for quick and easy on/off, and an adjustable ankle strap ensures a snug fit. Size Guide (Men's Boot Size): - Small: 7-8 - Medium: 9-10- Large: 11-12- X-Large: 13-14