Fabric is soft, lightweight & breathable. Material wicks sweat & dries really fast. Overlapped hem detail for enhanced ventilation. Reflective details for greater visibility on low-light runs. Odor control technology minimizes odor. Style #: 1382585. 94% Polyester/6% Elastarell. Imported. Machine wash cold with like colors. Use only non-chlorine bleach when needed. Tumble dry low. Do not iron. Do not use softeners. Do not dry clean. Microthread fabric – The sleeveless vest has UA Microthread fabric that dries fast, won't cling, stretches without absorbing sweat and is recyclable. Sweat-wicking – Don't let sweat hold you back. The fitness tank top is made with sweat-wicking material that dries really fast to keep you cool. Superior ventilation – Train in complete comfort. This workout vest features strategically placed mesh panels for added ventilation. Reflective details – Stay safe in the dark. The men's running singlet features reflective details to keep you highly visible in low-light conditions. Material and fit – Under Armour Men's Launch Singlet, lightweight tank top for men. Material: 94% Polyester, 6% Elasterell-p. Fit: Fitted. Soft, lightweight and breathable fabric.