Glamorise Women's Plus Size Sport 61% Polyester, 34% Nylon, 5% Spandex Imported Zipper closure Machine Wash Zip-front sports bra in moisture-wicking fabric with adjustable racerback straps Seamless non-stretch two-ply cups for bounce control Two-way stretch back to keep bra in place Note: this front-close bra does not have an adjustable band. If you like to wear your back-hook bra at the outermost setting, order up one size from your regular bra size.