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[M]

This chest stabilizing support is designed to balance your body and help you clean your shoulders and back muscles. The excellent tension of spandex is made of breathable and non-stuffiness, and the shoulder rotation action is used to relieve sternum strain. Helps to stretch back muscles and maintain proper posture. The integrated belt stretches your spine and the waist belt enhances your style. Integrated belt for easy adjustment. Fits your body freely Ideal for those who have the same posture for a long time, such as OA equipment, those with poor posture, or those with a hunched back.