Under Armour Heatgear Longsleeve Tees (1257471)

Compression: Ultra-tight, second skin fit.
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
Anti-odor technology prevents the growth of odor-causing microbes
Mesh panel on back neck with ARMOUR wordmark
Body: 5.0 oz. Polyester/Elastane Mesh: 4.6 oz. Polyester/Elastane