The Nike Air Trainer III (3) “Medicine Ball” is set to hit retail shelves this coming August. The Trainer features a perforated white upper with “Medicine Ball”-colored accents along the forefoot and around the ankle collar. Midnight Navy marks up the shoe’s Swoosh and midsole. An Air Unit is embedded in the heel. The Nike Air Trainer III (3) “Medicine Ball” will be available this August for $110.