Under Armour Microthread fabric dries quickly, doesn't stick to the body, stretches without absorbing sweat and is recyclable. The material wicks sweat away and dries very quickly. Mesh inserts for better ventilation. Reflective details for running in low light conditions. Use: Running, training Composition: 94% Polyester / 6% Elastarell Cut Type: Fitted Contoured cut for maximum freedom of movement Fit neither too tight nor too loose Back: Classic racerback for optimal support and great range of movement Hem Detail: Overlapping hem for enhanced ventilation Interview Washing: Machine wash cold with like colors Bleaching: Use only non-chlorine bleach if necessary Drying: Tumble dry low Ironing: Do not iron Fabric softener: Do not use fabric softener Dry cleaning: Do not dry clean Performance design - The fabric of the vest top is smooth, lightweight and fast-drying, allowing for peak performance. Innovative fabric - The gym top wicks perspiration and dries really quickly with odour control technology for cool performance. Added breathability - The sleeveless tshirt features an overlapped hem detail that adds breathability and has a classic racerback style. Athletic details - The gym tank top features reflective points that add greater visibility, especially on low-light runs. Material and fit - The workout top has a streamlined fit that's not too tight or too loose. Material: 94% Polyester, 6% Elastarell.