Otomix Ninja Warrior #M3333 performance workout shoes, color is black, gently used, men size 12; female size 13 1/2. This is an updated style to the Stingray with a slightly wider toe box for those that need the extra room. Hide, lock and load the laces behind the new tongue patent pending design. These specialized shoes are for Boxing, weightlifting, MMA, Bodybuilding, boxing, wrestling, grappling, Taekwondo, Tae-bo, Karate, crossfit training, Yoga, fitness, walking and much more.