You need LeraMed posture corrector for women men if you Want to improve posture and stop hunching Want to muscle pain reliever, shoulder or neck pain Want to prevent slouching, pain and inflammation caused by it Sit all day long How does the comfortable posture correct brace device work? When you keep your shoulders straight and have the back straightener on, nothing brings you discomfort and you forget about the posture brace on your back. But as soon as you start to slouch, the back corrector make you feel uncomfortable and you sit straight again. After some time of regular usage of corrector back brace muscle memory will build and you will have straight back all the time no matter if the posture corrector device is on. Features: Adjustable posture support universal size fits from 28″ to 40″ in chest circumference Waterproof breathable material Hypoallergenic: doesn’t cause skin irritation Invisible under clothes thanks to thin material User instructions: 1. Straighten the back and put the upper back brace shoulder brace on. Tighten all the straps so you feel no discomfort. 2. Wear the clavicle brace for 15-20 minutes for the first 3-4 days, then add 20 minutes every day 3. You may feel uncomfortable for the first 3-4 day, but later you’ll get used to wearing the posture corrector therapy back brace. Attention! Don’t pull the straps too tight – it may worsen blood circulation. Wear the best posture corrector directly on body or cotton clothes.