Speedo Women's Active Halter Swimsuit Top 80% Nylon/20% Lycra Extra life lycra fabric lasts 5 to 10 times longer to give you more value for your money New and improved speedo hydro bra provides underwire like support without the discomfort Adjustable halter tie straps for quick custom fit Matches back to several speedo bottom options Made by speedo, the world's number 1 swim brand