From Wacoal, this bra features: Strapless underwire t-shirt bra Mid-coverage seamless foam cups Medical grade silicone along top of back band keeps bra in place No slip-tape bonded on bottom of back band minimizes back bulk Detachable fully adjustable straps convert to traditional, halter, criss-cross, and one shoulder straps Hook & eye back closure Polyamide/elastane; cup: nylon Hand wash/line dry Imported.