Product description: Lower Back Brace - Lumbar Support for Women & Men -Adjustable Compression & Breathable Waist Trainer Belt Weight Loss for Gym, Posture, Pain Relief which is effective in removing excess gap between the breathable fabric and your body, to enhance stability. The support provided by the compression strap improves posture to aid treatment of back problems such as a slipped disc, degenerative disc disease and Sciatica. The warmth provided by the high quality breathable material can help to ease back muscle spasms and low back pain associated with a herniated disc and spinal stenosis. with a manual occupation or sport where lifting may be involved. It also facilitates good posture by preventing a slouched position in the lower back. Size： S: length 90CM ，width：23CM M: length 100CM ，width：23CM L: length 110CM ，width：23CM DESIGNED FOR OPTIMAL COMFORT AND FUNCTION:With its lightweight contoured design,our weightlifting belt helps prevent injury from hyperextension or hyperflexion (forced arch) of your spine during weightlifting.By offering support to your abdominal wall and your lumbar vertebrae,this lifting belt promotes safe lifting technique for Back Squats,Power Cleans,Deadlifts,Clean and Jerks,Overhead Squats. SUPPORTS CORE STRENGTH – Your abdomen and back muscles play the biggest role in your overall physical stability.Support exercise goals with this versatile Cross Training belt and you'll enjoy a stronger,more improved core. LIGHTWEIGHT & ADJUSTABLE - This contoured gym belt not only works for a wide variety of exercises,it’s slim enough to fit in any gym bag so you can use it at home or at the gym.