Under Armour Men's HeatGear Armour Printed Short Sleeve Compression Shirt;

HeatGear fabric, with all the benefits of UA Compression, comfortable enough to be worn all day. Stretch-mesh underarm panels deliver strategic ventilation. UPF 30+ protects your skin from the sun's harmful rays. 4-way stretch fabrication allows greater mobility in any direction. Moisture Transport System wicks sweat & dries fast. Mesh panel on back neck with ARMOUR wordmark