Leonisa Women's Invisible Upper Arm Shaper Vest - Black A shaper vest made of Leonisa's SkinFuse super comfy compression fabric to smooth out your upper arms and back. The criss-cross posture corrector bands in the back offer extra support. Its open bust design lets you wear your own bra underneath. Has a 4-level front hook-and-eye closure. Product Features Open bust design that gently centers the bust and lets you wear your own bra A shaper that smooths out your upper arms and back Criss-cross posture corrector bands for all-day back support Goes invisible under your clothes Imported Made of skinfuse for super comfy control in the whole area it covers; this signature fabric is totally seamless for a second-skin feel 4-level adjustable front hook-and-eye closure Materials & Care Hand Wash Polyamide, Elastane