Navigator II couldn't be any easier to wear. A wide, one-piece VELCRO brand strap with metal slide ring that easily adjusts to any size foot. It's ideal for anyone with limited hand mobility. A polyurethane outsole has a rocker bottom that provides more secure walking. Navigator II has double the added depth, with plenty of room for prescribed orthotics. A firm heel counter helps to reduce heel slippage. Snug fitting heel with extra displacement in cuboids. Wide shank area provides excellent lateral stability. Padded tongue and collar.