Fitted: Next-to-skin without the squeeze Microthread technology in the fabric dries faster, won't cling to you, won't chafe and stretches without absorbing sweat Material wicks sweat and dries quickly 4-way stretch construction moves better in every direction Shaped hem delivers enhanced coverage without looking big and bulky Allover mesh back delivers unrivaled breathability Run in lightweight comfort with Under Armour's Threadborne Mesh Short Sleeve Running Top. Engineered for running, this top features a fabric that wicks away sweat and delivers breathability.