Trusted by NHL players and officials, the Power Play 10-Piece Shirt delivers advanced upper-body protection with lightweight comfort. Featuring proprietary PolyShield(TM) technology, it dissipates blunt force transferred to the upper body up to 40% better than competitors, helping you stay protected from hard impacts while maintaining full mobility on the ice. Product Features Helps reduce the risk of upper-body injuries from bone-jarring impacts PolyShield(TM) technology dissipates blunt force up to 40% better than competitors Breathable, flexible, and lightweight construction for unrestricted movement Designed to be worn comfortably under any jersey or uniform Machine-washable, weather-resistant, and built for long-lasting durability Made from 90% polyester, 10% spandex with integrated PolyShield(TM) protection