I must say I had my doubts being on the larger size but it actually did stay up. There are some very fine silicone trim around the edges to keep from slipping. My only issue is more personal as it made me feel larger than I am and that is something I would rather not feel. All in all if you need a strapless bra and are on the larger side I would recommend. It does come with a thin detachable strap for added support.