Right now, Under Armour is selling HeatGear Men's Long Sleeve Shirts for as low as $20. That's a 43% discount on the original retail price of $35. There are 15 colors from which to choose ...

this pick from Under Armour is our go-to. It comes in sizes extra-small to extra-extra-large and eight fabulous colors. Made from 100% polyester, this long-sleeve shirt is quick-drying ...

Whether you're a runner or a lifter, someone who prefers a short sleeve or someone who swears by sweating in a long sleeve, we've rounded up 11 of the best compression shirts on the market below ...

A decade later, Plank had built Under Armour into a billion-dollar ... make a better alternative for a short-sleeve cotton t-shirt in the summer and a long-sleeve cotton t-shirt in the winter.