94% nylon 6% spandex material. Stretchy support, unlined and wirefree Knit in support for under the bust shaping Wicks away moisture to make you more comfortable 360 degrees of stretch for comfort Wider band helps If you want multiples, please message me and I will create copy listing(s) you can add to your bundle. prevent roll-up Wider straps and fuller back for all around smoothing PLEASE NOTE THE PACKAGE LABEL HAS XL, BUT THE BRA LABEL SIZE IS 1X. THESE ARE LISTED BASED ON THE ACTUAL PRODUCT LABEL, NOT THE PACKAGING