The "Gwen" shoe from Oxypas is entirely nylon-lined and fits just like a slipper! This sporty sandal offers a stretchable nylon-padded collar with a flexible instep. Upper is made of high-quality waterproof polyurethane. The OxyLiteoutsole is extremely light, flexible, shock absorbing, and slip resistant. The removable insole is leather lined for maximum comfort. Weighs only .48 pounds. Features a series of non-permeable decorative holes, and is lined with nylon to help keep your feet warm all day long. The design incorporates the latest electro-static resistance technologies, vital in today's nursing environment. Anti-static footwear dissipates all electro-static tension accumulated in the body, helping you avoid any unpleasant electric shocks.