Skechers Glam Girl 37556 is a fitness sandal that will shape you up while you walk. Skechers Tone Ups Glam Girl 37556 is a vegan fitness flip flop that will improve your posture, tighten up those leg muscles, and can miraculously reduce cellulite. Glam Girl 37556 sandals are available in black, navy, or red and feature faux suede thong with decorative metal rivets.