<ul> <li>Seam on the tongue allows you to widen the opening for easy on and off.</li> <li>Foot slides into the shoe easily with the help of the heel hinge system.</li> <li>Heel color coordinates with toe for color-coded touch points</li> <li>Tough as a snake: synthetic toe skin adds durability to every step.</li> <li>Vertical mesh upper helps keep you cool.</li> </ul>