SUNVP Women's Zipper Front Sports Bra Closure Impact Level Casual Weekend Bras The sizes in the square brackets are the ones we sugessted ,For the other sizes , pls check the size chart as show in the picture. If you do not like it to be too tight, you can choose a larger size.Please double check before placing orders. Shell fabric: 92% polyester, 8% Lycra. Breathable, Extra-strong support (level 3) Cups: 2-ply, cut&sew, Wirefree; Straps: adjustable (under bust bottom strap); Front : Zip front closure Padded : removable padding Easy on and off with secure full-length front-closure zip bra,auto-lock zipper sliders A - C cup is extremely high level support; D cup or larger is high impact support. Good for high impact activities: yoga running, xc, basketball, vollyball, tennis, etc