Slip resistant, non marking rubber outsole 100% Waterproof bioDEWIX Dry with NZYM Lining - moisture-wicking and odor control system Shaped EVA insole Abrasion resistant spandura neoprene The XTRATUF Wheelhouse is the commercial grade version of the classic women's 6-inch Ankle Deck Boot. When you are on your feet 12 hours or more, feet often will swell. This boot has a wider fit to address this issue and keep you comfortable. The 6-inch upper is reinforced in high wear areas, such as the toe and heel, for maximum durability. This boot features a Shaped EVA insole for all-day comfort, and a slip resisting, non-marking outsole.