The Stohlquist Tideline Neoprene Boots features ergonomic shape, which echoes the natural shape of the foot, allows for the best possible fit and comfort in a paddling boot. It also helps to increase the overall warmth of the boot, by contouring the foot and minimizing water pockets. Heavy-duty zipper Gusseted zipper opening which helps to reduce water exchange Thick rubber outsole features a proprietary Stohlquist tread pattern for outstanding traction Non-corrosive #10 YKK zipper with zipper lock Rubber toe and heel caps for added protection 3-year manufacturer warranty against any manufacturing and material defects