GeriGlove® Protective Arm Sleeve, 1 Pair Hip Knee Post Surgical Prdct Large * Has a fully Color:Blue Large * Has a fully adjustable internal buttress which ensures correct positioning and control of patella movement * Allows vertical tracking of the patella during vertical flexion extension * Assists in the treatment of patella problems including instability pain and subluxation (looseness) The 3M™ Attest™ rapid readout biological indicator provides quick results bruises and abrasions with seamless knit arm protectors that contour to the natural shape of the arm Soft comfortable thumb and hand openings allow full range of motion