Premium Opti Zip for simple struggle free pulling on. Shock Absorbing X-Comfort® memory foam Insole for comfort and support Waterproof and breathable STORMPROOF WIL-TEX® lining Anti-slip PU® and Rubber sole ensures support and traction on all surfaces Gel insert to the heel for cushioning and shock absorption An ideal choice of Quebec boots for individuals with a high instep, limited ankle mobility, or a wider foot.