Design: 100% waterproof protection 5mm neoprene bootie for comfort and performance Pull loop for easy on and off In-Shoe Comfort: bioDEWIX™Dry footbed insert topcover with NZYM™ for odor control and moisture management Lightweight EVA midsole for all day comfort and support Comfort insole Cool weather lining: soft, insulation, light-weight, performance materials for warmth and comfort Durability & Traction: Rubber outsole for durable all-terrain traction Additional Details: Comfort Range: -40° to 40°F Warranty: All Rocky® products have a one-year limited warranty in normal use, against any manufacturing flaw(s), defective materials or workmanship. This warranty also covers GORE-TEX® bootie liners against leakage for one year. Products with all other waterproof construction are guaranteed waterproof for six months from the date of purchase.