Design: 100% waterproof protection 10" collar opening for easy pull on/off 3mm neoprene bootie for comfort and performance Muckskin upper for reduced weight without sacrificing protection Draw-string cord allows for a snug fit that keeps the feet warm and the cold out In-Shoe Comfort: BioLite foam midsole wrapping up to counter for all-day comfort and support bioDEWIX(TM) footbed insert topcover with NZYM(TM) for odor control and moisture management Dual density comfort footbed with slow recovery foam and long-lasting cushioning Durability & Traction: Outscape-inspired rubber outsole for all terrain traction and debris dispersion Warranty: All Rocky(R) 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(R) bootie liners against leakage for one year. Products with all other waterproof construction are guaranteed waterproof for six months from the date of purchase.