EvoShield Adult HybridPro 2.0 Football Rib Shirt, Adult Small GEL-TO-SHELL TECHNOLOGY: begins soft and flexible, transforms to hard and protective in minutes IMPACT IS DISPERSED: not absorbed CUSTOM-MOLDING SHIELD: molds to user's body shape, ensuring a perfect fit, custom molds to protect left and right ribs Sweat-wicking performance shirt, machine washable NANOCELL AC and spine pads