The Reebok JJ III is engineered to meet the training needs of one of the most formidable athletes in the game: JJ Watt. Providing the versatility and stability to help you attack any training session, styling to take you to and from the gym. Flexweave woven textile upper provides resilient stretch and targeted support at key performance areas. High-intensity training. Die-cut EVA sockliner offers durable cushiony comfort. EVA foam midsole provides soft, durable cushioning.