BREATHABLE: This posture correcting hunchback belt is made of high quality polyester mesh fabric, breathable and comfortable, prevents your back from sweating, suitable for all day wear HUNCHBACK CORRECTION STRAPS: The posture correction straps remind you to straighten your back and gently pull your shoulders back to straighten your spine, improve your posture, reduce pressure on key areas, so you can stop hunching and slouching, as well as boosting your confidence BACK SUPPORT: 4 resin rods on the back of the frame provide strong support, ensure stability and help you straighten your back COMFORT: Our ergonomic straps help you stand up straight without constricting your armpits, so you can wear it comfortably for long periods of time EASY TO WEAR AND REMOVE: You can wear it under your clothes while working, exercising or walking, and it can be easily adjusted by the hook and loop closure, easy to put on and take off without assistance, suitable for both men and women Specification: Item name: Back Posture Corrector Color: Black Material: Polyester Size: S, M, L (Optional) - Size S: waistline: 26" - 34" - Size M: waistline: 34" - 41" - Size L: waistline: 41" - 49" Note: Please allow 1-3cm (0.4-1.18") difference due to manual measurement and slight color variation for different display setting. Package Includes: 1 Back brace posture correctorEASY TO WEAR AND REMOVE: You can wear it under your clothes while working, exercising or walking, and it can be easily adjusted by the hook and loop closure, easy to put on and take off without assistance, suitable for both men and women. COMFORT: Our ergonomic straps help you stand up straight without constricting your armpits, so you can wear it comfortably for long periods of time. BACK SUPPORT: 4 resin rods on the back of the frame provide strong support, ensure stability and help you straighten your back. HUNCHBACK CORRECTION STRAPS: The posture correction straps remind you to straighten your back and gently pull your shoulders back to straighten your spine, improve your posture, reduce pressure on key areas, so you can stop hunching and slouching, as well as boosting your confidence. BREATHABLE: This posture correcting hunchback belt is made of high quality polyester mesh fabric, breathable and comfortable, prevents your back from sweating, suitable for all day wear.