Le Mystere Women's Cambria Bra 74% polyamide/17% cotton/9% elastane Hand wash warm only with like colors no bleach - line dry - do not iron - as with all le mystre bras, fasten closure, place in lingerie bag for washing. Underwire microfiber contour cups. power mesh on the wings for added support. Straps get wider and more plush as size increases for comfort, stability and beauty.