Product Features A shaper that smooths out your upper arms and back Made of skinfuse for super comfy control in the whole area it covers; this signature fabric is totally seamless for a second-skin feel Criss-cross posture corrector bands for all-day back support Open bust design that gently centers the bust and lets you wear your own bra Goes invisible under your clothes 4-level adjustable front hook-and-eye closure Polyamide, Elastane