The "knee gel pad" and "springs on both sides for stability (two, left and right)" provide firm support at the joint and are perfectly suited. Recommendations: Knee joint instability, knee recovery from meniscus injuries, daily knee support and work, sports support such as volleyball, climbing, running, pain relief, knee protection, and fixation. --- [Yopaku] Knee Support, Knee Brace, Patella Stabilizer, Non-slip Elastic, Warm, with Side Stabilizers and Patella Gel Pad, for Running, Climbing, Soccer, Tennis, Unisex (L, Pink) 11-15-2160