Considerations when choosing Under Armour compression shirts HeatGear vs. ColdGear Both Under Armour’s HeatGear and ColdGear shirts are wick-away and anti-odor, and feature four-way stretch.

Considerations when choosing Under Armour compression shirts HeatGear vs. ColdGear Both Under Armour’s HeatGear and ColdGear shirts are wick-away and anti-odor, and feature four-way stretch.

The Under Armour ColdGear compression mock wicks moisture, provides insulation and stretches with the body. Learn more about how the compression mock works.

Under Armour compression shirts do more than simply offer a sleek, sporty look. They actually boost circulation, allow ventilation, and minimize chafing.

Under Armour offers compression tees, fitted tees, and loose casual options as well. If you have questions about sizing, Amazon offers a handy measurement chart.

Under Armour HeatGear Compression T-Shirt, $15 (was $30) at Amazon Get it. "This HeatGear Compression T-Shirt is a game changer," said one shopper.

The Under Armour ColdGear Compression Mock is a super-tight underlayer designed to keep you warm and dry while you exercise. The Under Armour Mock is made from 87% Polyester and 13% Elastane and ...

Under Armour wants to harness that heat and turn it into a benefit during training by debuting on April 11 the new UA Rush training line embedded with infrared technology, a technology that pushes ...

Why? We’ve agreed to test Under Armour’s new 2015 compression gear to the limits of what we are capable of. That, it turns out, isn’t a quick 5km run as we were hoping, but a 18 minute ...