Boundaries are meant to be pushed. Personally approved by Dwayne Johnson, the Under Armour Project Rock 4 is an athlete's dream. The breathable mesh upper prioritizes comfort, while the tech-driven UA HOVR cushioning puts dynamic energy into every step. The external TPU heel clip works with a medial and lateral TPU midfoot strap for top-notch stability. Take on the toughest workouts with confident cushioning and traction in the Under Armour Project Rock 4. Under Armour Project Rock 4 features: Plush knit collar maximizes comfort. Anatomical sockliner provides maximum underfoot comfort. UA TriBase maximizes ground contact and promotes natural motion. Offset: 8 mm. Weight: 9 oz.