Trusted by NHL players and officials, the Power Play 5-Piece Shirt is designed to provide lightweight upper-body protection without sacrificing comfort or mobility. Infused with proprietary PolyShield(TM) technology, it dissipates blunt force transferred to the upper body up to 40% better than competitors, helping keep you protected through every shift. Product Features Helps reduce the risk of upper-body injuries from hard impacts PolyShield(TM) technology dissipates blunt force up to 40% better than competitors Breathable, flexible, and lightweight design for all-game comfort Fits comfortably under any jersey or uniform Machine-washable, weather-resistant, and built for long-lasting performance Constructed from 90% polyester, 10% spandex with PolyShield(TM) protection