Otomix StingRay Trainers are a light comfortable boot, ideal for cardio, gym or martial arts work. The shoe has been designed to provide maximum support and core stability to prevent damage to feet or ankles. These ultra light shoes provide superior support and stability with unlimited range of motion. The MMA Stingray Escape is feather light with ultimate traction for competition. Ideal for all grappling sports, Jujitsu, boxing and mixed martial arts.