This lightweight stabilizer provides medial/lateral support and is ideal for stiff, weak, or sore knees. Flexible steel springs provide firm support without restricting mobility. Helps relieve pain and swelling while keeping your knee flexible. The contour design prevents bunching and slippage, ensuring a proper fit. Reinforced trimmed edges improve durability. Open patella prevents slippage while keeping kneecap in place Contour design to minimize bunching Fully trimmed edges with smooth seams prevents chafing Breathable fabric for comfortable all-day wear Moderate Support Level Measure around center of knee: (LG/XL 16 – 20 in • 40 – 50 cm) FSA Eligible Caution: Product contains natural rubber latex which may cause allergic reactions.