Material: 85% nylon 15% spandex Weight: about 67g Colour: black, skin colour Size: S, M, L, XL, XXL Efficacy: breast support, polymerisation, collection of side breasts, to prevent flare-ups, correction of hump back Attributes: S: 95 pounds within the underwear 32a-34a M: 95-105 pounds within the underwear 32D-36a L: 105-120 pounds within the underwear 36b-38b XL:120-140kg underwear 38c-40b XXL:140-165kg underwear 40c-42b 1High elasticity fabric plus U breast support design, wrapping side breasts, support high concentration. 2Three rows of buttons on the front of the chest can be adjusted for your own comfort. 3Double layers of breathable elastic fibre holes widen the shoulder straps, do not burden the shoulders, the material is comfortable and does not hurt the skin. 4Back beautiful strong X-shape, back line, so you naturally straighten your back and tighten your abdomen. 5, Material: 85% nylon 15% spandex. 6Colour:colour,black,size:S,M,L,XL. BACK BRACE POSTURE CORRECTOR: Correct, assist, and support posture correction orthopedic problems.Poor posture, neck or shoulder pain, back pain, scoliosis, kyphosis, sagging shoulders, and laziness. A good and efficient corrector for you WEAR-RESISTANT: Posture Corrector is made of high light and high elastic mesh fabric, light, soft, comfortable, with flexibility. Wear comfortably without tension, protect the spine, friendly to the skin, enjoy more comfortable orthopedic process With a unique onepiece molding process, increase the permeability of back, waist, shoulders. Fit the body, easy to wear, powerful moisture absorption and sweat releasing Multiforce, balanced stability, correct posture, one step in place, very easy. Ergonomic design, conforms to the human body curve.Make the shoulders and back evenly stressed, and relieve muscle fatigue caused by bad posture Force your shoulders to extend, form a proper sitting position, protect your eyesight. Effectively improve the hunchback, correct poor posture. Exercise back muscles, build muscle memory, and change bad habits. Used 2 hours each day and for 3 weeks, will have obvious effects.