New Under Armour Men's Black HeatGear Armour Compression Sleeveless Mock Medium

SHELL: 100% Polyester Imported Machine Wash HeatGear fabric, with all the benefits of UA Compression, comfortable enough to be worn all day Stretch-mesh underarm panels deliver strategic ventilation 4-way stretch fabrication allows greater mobility in any 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