Fitted: Next-to-skin without the squeeze. UA Microthread technology in the fabric dries faster, won’t cling to you, won’t chafe & stretches without absorbing sweat; HeatGear® fabric is ultra-soft & smooth for extreme comfort with very little weight; Stretch-mesh back panel delivers 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; 87% Polyester/13% Elastane; Imported.