Elastic band for stay-put fit, adjustable crossed straps and elastane fabric, the Under Armour Vanish Mid Women’s Sports Bra is ideal for all training intensity levels. Fit: Next-to-skin without the squeeze Delivers strategic support, tailored for medium-impact activities like cycling, weight training & boxing Fixed performance foam pads provide extra coverage & support while still delivering breathability Open Racerback with adjustable criss-cross straps Incredibly silky performance fabric with staying power stretches without sacrificing support & dries extremely fast UA Microthread technology in the fabric dries faster, won’t cling to you, won’t chafe & stretches without absorbing sweat. Main Body 100% Polyester, Lining 60% Elastane 40% Nylon, Pad Lining 100% Polyester.