A snug and lightweight fit armed with performance materials slip into under armours heatgear armour compression ss t shirtmade from a soft blend of polyester and elastane the soft fabric is kitted out with heatgear to leave you with a cool dry and light feel during any activity designed for a compression fit this also aids your blood circulation and generates more oxygenated blood in your muscles so you can perform for longer and recover fastersporting a plain black look with grey stitc