Feature: Improve Posture – The posture brace works by training your muscles and spine to return to their natural alignment. Reduce Back Pain – Bad posture left unchecked can cause pain, lethargy, and even lead to nerve damage. Maximum Comfort – The durable and comfortable design allows effective assistance while being comfortable to wear. The cushioned straps pull your shoulders back while padded cups mean you won't even know it's on! Invisible – The back brace fits seamlessly under your clothes, giving no indication of the extra help! The Perfectly Fit - Adjustable hook and front eye closure for an astonishingly accurate fit, no matter your shape. Specification: Material: Nylon/Chinlon Color: As the picture show Size: S, M, L Size,Fit for Cups S: 34B 34C 34D 36A M: 36B 36C 36D 38A L: 338B 38C 38D 40A Notice: Due to the different monitor and light effect, the actual color maybe a slight different from the picture color Please allow 2-4cm differs due to manual measurement Asian Size is smaller than EU/US/UK size,Please compare the detail sizes with yours before purchasing.