The Shock Doctor easy-to-use, dual-strap 838 Ultra Back Support, one of the most advanced lower back support systems to date. By adjusting flawlessly to fit any figure, the lumbar padding and TPR molded stability support help to ease back pain and expedite recovery time. Striving to get you back to full strength in record time.Performance Level 3: Medium stability and support for moderate to major ligament sprains, muscle strains and unstable joints allowing for use as necessary for recovery.Shock Doctor Ultra Back Support Features: Molded stability supports Terry lined lumbar pad Vented hex mesh for moisture wicking Integrated Antimicrobial Technology to reduce odor causing bacteria