Features: Improved postures our adjustable postures corrector for women and men provides proper upper back brace, spine support, and alignment for improved postures and reduced neck, back, and shoulder pains relief. Comfortable support: the back brace make from soft and comfortable materials to provide comfortable shoulder support, clavicle brace and spine support that effectively alleviates neck, back, and shoulder pains relief. Invisible under clothes: this postures corrector back support can be worn under the clothes. it is undetectable and very comfortable ，so you can wear our back brace when you out working, exercising, doing yogas or relaxing! Targeted pains relief: the postures corrector for men and women is designed to provide effective pains relief for neck, back, and shoulder pains, while also correcting poor postures and providing spinal alignment. Multifunctional support: our upper back brace also comes with adjustable shoulder and clavicle support for effective back support, postures support, and pains relief for the neck, back, and shoulders. Specifications: Materials:Polyester,Foams Size:XS Recommended Height:110-140cm(43.31-55.12inch) Recommended Weight:25-40kg Chest:55-70cm(21.65-27.56inch) Size:S Recommended Height:140-160cm(55.12-62.99inch) Recommended Weight:40-60kg Chest:70-85cm(27.56-33.46inch) Size:M Recommended Height:160-175cm(62.99-68.90inch) Recommended Weight:60-80kg Chest:80-95cm(31.50-37.40inch) Size:L Recommended Height:170-185cm(66.93-72.83inch) Recommended Weight:80-95kg Chest:95-110cm(37.40-43.31inch) Size:XL Recommended Height:185cm(72.83inch) Recommended Weight:95-110kg Chest:105-120cm(41.34-47.24inch) Package Includes: 1Piece postures Corrector note: Please allow 1-2cm errors due to manual measurement. Due to the differences betweeen different monitors,the picture may not reflect the actual color of the item.