Sleek memory foam contour underwire conforms to the body and disappears under clothing. Memory foam cups, sleek fabric backs, and clean finishing provide absolute comfort for all day wear Shiny jersey fabric has excellent stretch and is sleek against the body Convertible straps allow for versatility and custom fit Smooth, stretchy jacquard fabric overlays memory foam cups to give an easy fit with support Shiny semi-rigid straps provide support while remaining narrow and fully adjustable - great for petites Cups: 69% nylon, 31% spandex, back: 81% nylon, 19% spandex, cup lining: 100% polyester OEKO-TEX® Standard 100 certified,# 23.HUS.17957, by test institute HOHENSTEIN HTTI Recommended care: hand wash & line-dry for best results