Information:This bra is X-rated. X for Excellent back support that is. The innovative PowerSupportX bra frame provides back support and may help improve posture. You may find you're standing taller! Magic Rings technology in the wirefree cups help provide side support and lift. Side and back smoothing. Back-adjustable Comfort Cushion straps. Front close makes dressing easy. TruSUPPORT® 4-way bra design provides (1) higher sides for coverage; (2) fuller cups for natural shape; (3) wider straps for all-day ease; and (4) smoother back for stability. 

Features: cups: 85% nylon/15% spandex; sides, back: 92% nylon/8% spandex; mesh: 70% nylon/30% spandex