1Powerful hook & loop, can use for many times without pilling, reliable in use. 2Light shoulder strap, sufficient elasticity, adjustment and pulling without deformation. 3The fabric is light and breathable and can be worn inner side and outside anytime and anywhere. 4Fit the physiological curve of the body, the orthotic shaping experience is more balanced, more stable and more comfortable. 5Adjust oblique shoulder, improve temperament, shoulder wrap designs balances shoulder pressure.