BodyShield Sleeveless Field Player Undershirt Impact Resistant: High performance polyurethane foam provides extreme protection from impact and abrasion. In addition, our groundbreaking chest pad is designed to help you trap hard shots and reduce rebounds. Lightweight: Breathable, moisture wicking compression fabric combined with open cell protective foams help you stay cool. Both in the heat, and under the pressure of the opponents you will be teaching a lesson. Stealth: The Fieldplayer Sleeveless Shirt, designed to look the way the product makes players feel- fearless. Intimidating opponents has never been this easy. 3mm of stretchy Poron XRD padding on ribs. Body 82% Nylon, 18% Spandex. Foam 100% Urethane Foam.