Under Armour Men's Heatgear Sonic Compression Short Sleeve Shirt
Meet HeatGear Sonic: UA's newest and greatest baselayer innovation. Under Armour started the "performance" revolution with their original HeatGear compression-the ultra-tight fit that increases muscle power and makes you feel invincible. This latest UA fabric wears like a second skin so you get the same powerful compression, plus extreme comfort for all-day wear.
