Four-way stretch, breathable Nylon Lycra® Spandex powernet upper. Patented ExoArmor duet sole patches move independently. Pads are securely sewn with stitching both on the edge and interior. 5/8" one-sided plush elastic with Capezio® logo holds footUndeez® in place. Firmer and stretch less than the Rhinestone or Print styles. Begin with street shoe size; half sizes or extreme feet go up to the next size – men 2 sizes up.