- 90% Polyester/10% Elastane
- HeatGear fabric is ultra-soft & smooth for extreme comfort with very little weight
- Mesh back & underarm panels deliver strategic ventilation
- 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
The Under Armour Men's UA MK1 1/4 Zip Shirt helps wick away sweat to help keep you cool on those warm days. The mesh back & underarm panels deliver strategic ventilation which further keeps you cool, and staying cool may be the difference between a great day outdoors and a terrible one.