Under Armour Men's Gameday Armour Max Football Top 84% Polyester/16% Elastane Imported Radical protective polymer instantly hardens when hit and disperses impact Ultra-thin, form-fitting pads flex with your body for total mobility HeatGear fabric, with all the benefits of UA Compression, comfortable enough to be worn all day Stretch-mesh panels deliver strategic ventilation 4-way stretch fabrication allows greater mobility in any direction