This back brace is worn around the waist, stabilizing the lumbar spine, relieving muscle stress and low back pain, protecting the waist and offering support to your lumbar spine when doing sports. Also recommended for arching back, back sprains and strains, muscle sprains, posture correction, body shaper and injury prevention 1. Neoprene fabric, comfortable to wear during work out; 2. Hook and loop fabric enables you to adjust the tightness easily; 3. Embossed pattern design, contoured and naturally flexible to fit comfortably around your waist; 4. Ten steel bones, 3-layer elastic belt on the outside design, promotes strong waist shaping; 5. A clasp on the top of the zipper prevents it from falling down.