Functions: Helps to correct poor posture, keep shoulders back straight, correct scoliosis and other malformed spinal curvatures, relieve posture related back pains, shoulder pains, etc... Features: Supporting design helps correct poor posture Pulls shoulder back to correct posture Provides gentle back support Prevention of adolescent customary humpback & bend down Design for both men and women Fully adjustable, comfortable. Easy to use, comfortable, elastic.