Our unfettered design is suitable for both men and women. Relieve joint and reduce SI joint inflammation-SI joint belt helps stabilize over-moving or inflamed sacroiliac joints (or "SI joints"), reducing pelvic, lower back and/or leg caused by SI joint dysfunction (Symptoms of sciatica). We strongly recommend that you use the SI joint belt day and night for at least two weeks. 't over tighten the belt. Double adjustment and maximum comfort-SI joint belt can be worn for a long time, which is the key to recovery and relief. The wrap-around "dual belt" design provides controlled compression, and the auxiliary belt allows you to customize the amount of extra compression required for specific sore or inflamed areas. The breathable fabric allows air and moisture to pass through. Lightweight and durable-the inner waistband is made of high quality material, which is light, breathable and anti-pilling. The ribbon fish fabric used in the auxiliary belt is breathable, elastic and anti-pilling. Fixed: Double elastic fish belt and unique arc shape keep the waist belt in place all day long. The non- strap on the inner waistband prevents the belt from sliding up and down when you are sitting. You can wear it for sports and exercise. colour:Black Material:Elastic band size:11 x 102CM Package Contents: 1 x pelvic correction belt Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.