DURABILITY – These wader shoes are built to last season after season. Made to handle the toughest fly fishing conditions, with features that prevent even snow and ice to build up on the bottoms. HIGH QUALITY MATERIALS - The synthetic leather and scratch resistant rubber uppers take the abuse of brush, rock and water in stride. Dual density EVA midsole designed for shock absorption COMFORTABLE FIT AND DESIGN - Lightweight and designed for all-day wear – Simms right angle foot bed technology fights foot fatigue and sore ankles. Our cushioned midsole and partial neoprene lining provide all-day cushioning and warmth, plus a wide opening for easy on and off. Speed lace hooks and lace-toe closure designed to keep up with you throughout the day WARRANTY - If your SIMMS product fails due to a defect in workmanship or materials, SIMMS will repair or replace your gear and get you back on the water as soon as possible. If your SIMMS product fails due to excessive wear, accidents and breakdown of materials over extended time, SIMMS will make every effort to repair your gear for a reasonable fee This product is crafted without the use of PFAs