Features: 1.Supports Proper Posture and Relieves Back Pain. 2.Strong breathable fabric makes it more comfortable to wear without stuffiness feeling. 3.Can be directly worn under clothing. 4.Adjustable straps for comfort, help pull the shoulders back to stand tall & sit up straight. 5.Supporting design helps correct poor posture, pulls shoulder back to correct posture. 6.Provides gentle back support, prevention of adolescent customary. 7.humpback & bend down Can wear the brace while work, at home, exercising or shopping etc. Specifications: Note: when chest size larger than waist, please refer to chest size Size For: S: Fits waist size: 30-34 M: Fits waist size: 34-38 L: Fits waist size: 35-39 XL: Fits waist size: 36-40 XXL: Fits waist size: 38-43 XXXL: Fits waist size: 39-44 XXXXL: Fits waist size: 40-45 Package Included: 1 X Posture Corrector Back Brace By the way, if you like our store, Please add our store to your Favorite Stores, You can get our New arrival and Discount information in time.