Thermoskin Patella Tracking Stabilizer Large 14.5 15.75 Toe Immobilizer * Value Added Features Operating functions Style:Pair (Left & Right) * Value Added Features Operating functions (LB KG Conversion LB KG Lock Out BMI Zero Tare Pre Tare Hold Release Reweigh Recall Auto Zero Auto Off) included at no additional cost * Weight Limit : 300 lbs 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)