- Size: 39/40 • Sneakers with a hard and flexible sole that prevents slipping. • Combine fashion and comfort for a unique style. • So comfortable you won't want to take them off. • Cushier than traditional ones. • Non-slip for added safety. • Includes a set of stickers for customization. • Relax with your favorite shoes, whether they are leather, ballet flats, with heel or open toes, or warm slipper-socks.