1Back braces provide good back support, correct poor posture and make you look more upright. 2Provides stability and protection for your shoulders and muscles, relieves shoulder, neck and back pain, and thus reduces back stress. 3Wearing this back straighteners over a period of time will develop muscle memory, which means you'll keep straight even without posture corrector. 4Using lightweight, breathable materials means you'll stay cool while promoting proper posture. 5The adjustable design allows you to fit your body to the maximum extent, allowing you to wear more comfortable.