Topcare elastic knee stabilizer - this lightweight stabilizer provides medial/lateral support and is ideal for stiff, weak or sore knees. Two flexible springs on both sides provide firm support while allowing full range of movement. Helps relieve pain and swelling while keeping your knee flexible, the contour design and open patella prevents slippage while keeping kneecap in place, ensuring a proper fit. Reinforced trimmed edges improve durability and the breathable fabric is comfortable for all-day wear. Quality guaranteed - this topcare product is laboratory tested to guarantee its highest quality. Your total satisfaction is guaranteed. Breathable fabric, fits left or right. Firm support for stiff, weak, or sore knees.