Project Rock training gear was built to help you find boundaries, then push right through them. Everything in this collection was personally approved by Dwayne Johnson, the hardest worker in the room. ANY room. "Fixed synthetic leather strap with Rock detailing for an elevated look Charged Cushioning® midsole absorbs impact & converts it into responsive quickness & comfort Michelin® Wild Gripper outsole compound uses unique traction lugs for unmatched grip & traction Style #: 3023762 Imported"