This waist brace is made of breathable protection nets, built-in fixing bar, high elastic belt, reinforcement belt, etc. This kind of waist support can provide auxiliary support to the waist during exercise, effectively avoiding accidental injuries during exercise. Made of durable, high quality Neoprene & Nylon (Velcro). Superbly finished with full edge stitching. Velcro fully stitched (not glued as on some versions). Helps maintain upright posture to prevent further aggravation of back pain or strains Made from 4-way stretch premium quality neoprene for warmth & compression Latest therapeutic heat retention technology to promote healing. Durable neoprene material provides strong support, soothing warmth, and comfort. Tapered abdominal support panels. Adjustable velcro fasteners provide added support and alignment. No restriction on movement. Provides support to lumbar and spine, and in the relief of mild to moderate low back pain, sprains & strains. Therapeutic heat assists in blood circulation, joint movement and burning of cellulite. Helps relieve muscle pain, promote faster healing and improve joint flexibility and health. Also suitable as a trimmer to tuck all the loose bits in around the waist. Non-slipping webbing to keep belt in place and provides full control over level of compression. Dual precision straps provide a contoured, personalized fit. This high quality neoprene back and waist support is specifically designed to provide the perfect balance between comfort and strong support.