Under Armour Men's Gameday Armour Baselayer 84% Polyester/16% Elastane Imported Compression: Ultra-tight, second skin fit Meets NFHS standards Pads are waterproof, lightweight, ultra-durable, giving you the right protection, where you need it HeatGear Sonic fabric provides extreme comfort and compression without restriction 4-Way Stretch fabrication allows greater mobility and maintains shape