84% Polyester, 16% Elastane Made in the USA Gameday Armour pads are waterproof, lightweight, ultra-durable, giving you the right protection, where you need it HeatGear Sonic fabric provides extreme comfort & compression without restriction 4-way stretch construction moves better in every direction Material wicks sweat & dries really fast Under Armour’s mission is to make all athletes better through passion, design and the relentless pursuit of innovation