Wrong size, basically, just tried it on.
HeatGear® Armour is our original performance baselayer—these are the men's long sleeve compression shirts you put on first and take off last. They're tight to wick away sweat and quick-drying to keep you cool.
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 construction moves better in every direction
Material wicks sweat & dries really fast
Anti-odor technology prevents the growth of odor-causing microbes
Mesh panel on back neck with ARMOUR wordmark
Body: 4.7 oz. 90% Polyester/10% Elastane
Mesh: 3.5 oz. 88% Polyester/12% Elastane