Features: 1. It is made of high-quality breathable spandex material through careful proceing and design with the characteristics of soft, comfortable and elastic. 2. When wearing this chest brace, it helps to improve the problem of humpback and restore the natural straightne of the beautiful back. 3. High elasticity comfortable shoulder wear convenient. With nylon clasp design, which can be adjusted to better fit your body. 4. Stretching the cro strap backward, stretching comprehensively, straightening the chest and back easily, fitting the back to help the spine return to improve the natural upright hunchback posture. 5. Decrease your shoulder and waist pain and improve humpback to shape a nice-looking figure. 6. Suitable for workers, teenagers and other people who have bad seating walking habits. Specifications: Material:Spandex Color:Black Features:Soft,comfortable,elastic,adjustable Gender:Men,women,unisex Item type:Braces & Supports Type:Humpback Correct Brace Function:Health Care,Humpback Correction Size:S/M/L/XL Package Included: 1x Back Posture Belt