Stretch with the best in Wendy Stretch Sox. Classic HEYDUDEâ„¢ construction, stretch mesh material upper and elastic laces mean slip-on ease, comfort and lightness from top to bottom. Rock it all in foot-hugging style and all new seasonal colors. These shoes feature a stretch mesh upper, comfort cushioned ankle collar, elastic laces, and an easy-on system. They are travel-ready with a removable foam insole and a lightweight flexible outsole.