Shock Doctor Shoulder Support with Strap System The Shock Doctor Shoulder Support with Stability Control Strap System provides stability control and compression retention. Anatomically designed for either shoulder, this support comes with the multi-position X-Fit® stability control compression/retention strap support system that offers padding and protection. Soft Lycra ® mesh stretch zone ensures a comfortable fit on athletes of any size. N-Tex™ adds moisture wicking and therapeutic warmth and healing. Integrated Antimicrobial Technology reduces odor causing bacteria. 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. Latex free.