???Comfortable and Long-lasting???The posture brace is lightweight, practical and not easy to deform. The back straightener is made of long-lasting stitching, keeping the fabric soft and breathable, comfortable to wear and suitable for all seasons. Perfect for slumping shoulders, hunching, neck & back pain, upper back issues, tendonitis, stiff or sore muscles, tendons & joints, and more!. ???Available In Four Size???Choose from Small, Medium, Large, X-Large. To choose the right size, measure the circumference of your chest 1 inch beneath the armpit, and select your size based on our sizing chart. You will retain your full range of motion with a properly fitted posture corrector, so there's no limit on your activities. Our sizes are unisex, so can be used by both men, women, and kids whose measurements match. ???Adjustable and Easy to Use???Our shoulder brace is adjustable, elastic and easy to wear. The posture corrector can be worn over the top or underneath. We can always wear the back support at home, office and sports. ???Pain Relief???Do you feel shoulder and neck pain due to long hours of work or study? The back brace can provide your body with much-needed support, effectively relieve fatigue and pain in the lumbar, back, shoulder, neck and other parts of the body, so that you can carry out all kinds of activities in daily life in a correct and comfortable posture. ???Improve Posture???The ergonomically designed posture corrector for women and men can help you straighten your back, strengthen your shoulders and neck, develop good sitting, standing and walking habits, and build a healthy body shape.