Chest padding delivers protection where you need it most. Gameday Armour® pads are waterproof, lightweight, ultra-durable, giving you the right protection, where you need it. Smooth HeatGear® fabric keeps you comfortable all game. Mesh underarm & back panels deliver strategic ventilation. 4-way stretch fabrication allows greater mobility in any direction. Moisture Transport System wicks sweat away from the body. Anti-odor technology prevents the growth of odor-causing microbes. Polyester/Elastane. Imported.