Lightweight Medical Shoulder Support Brace Advanced Shoulder Prevention,One Size Fits Most(Left) Made of Lycar fiberand Spandex with an adjustable strap-One size fits most,adjustable design fits most adults. Size:Arm Girth (max.): 48cm -18.89 inches;Left Shoulder to Right Armpit Girth (max.): 117cm-46 inches;Right Shoulder to Left Armpit Girth (max.): 117cm - 46 inches Soft, breathable fabric.Elastic design moves without to prevent chafing.Get relief for your injuries, strains, and sprains.Prevent additional injuries with comforting support. Provides firm, even compression to shoulder muscles to protect against injury.Helps muscles retain heat during workouts. Great for use for sporting activities and for everyday use.Improves circulation to boost post-workout recovery.