1. Ipow 2 Pack Pain Relief & Patella Stabilizer Knee Strap, Black (Click Link to Check Price on Amazon)
Editor's Rating : 9.9 out of 10
Segmented fix design can make adjustment according personal knee's curves to supply better protection of patellaDouble Knot Design,fully adjustable,fit up to 18-in and adjust tightness

2. Patellar Tendon Strap / Knee Support for Runnning, Basketball, Stairs Climbing / Pain Relief for Jumper's Knee, Chondromalacia / Adjustable Knee Band for Fitness, Outdoor, Indoor Sports, Athletics (Click Link to Check Price on Amazon)
Editor's Rating : 9.7 out of 10
KNEE PAIN RELIEF AND PREVENTION - Our unique knee band provides support for your knee and patellar tendon during sport activities, walking and exercising. It helps with various knee problems and diseases such as jumper's knee (aka patellar tendonitis), Osgood-Schlatter's disease, chondromalacia, ostheoarthritis and runner's knee.COMFORTABLE TO WEAR - Constant compression at the patellar tendon without any movement restrictions. Made out of soft padding for comfortable wear and perfect support. The lightweight and breathable fabric makes for ultra-comfortable all-day wear.

3. Kootek 2 Pack Knee Strap Patella Tendon Brace Adjustable Neoprene Knee Pain Relief Patella Strap Band Support Brace Pads for Running, Jumpers Knee, Tennis, Basketball, Tendonitis (Click Link to Check Price on Amazon)
Editor's Rating : 9.6 out of 10
Application: Designed to boost overall stability of the knee and improve patellar tracking by applying mild pressure on tendon below kneecap.Built-in SBR buffer: It prevent accidental damage and alleviate the pressure and pain well.

4. Mueller Jumper's Knee Strap, Black, One Size Fits Most, 3-Count (Click Link to Check Price on Amazon)
Editor's Rating : 9.9 out of 10
Pack of 3 strapsDesigned to improve patellar tracking and elevation

5. Patella Knee Strap for Knee Pain Relief for Hiking, Soccer, Basketball, Volleyball & Squats (1 Piece), Black (Click Link to Check Price on Amazon)
Editor's Rating : 9.7 out of 10
HIGH QUALITY & DURABLE - This Adjustable Knee Strap is made up of high-quality materials which gives it longer life and makes it durable. Unlike other Knee straps available in the market which gives you a scratchy feeling, this straps are made of high-quality neoprene & nylon which makes it light & soft, so you don't feel any weight on your knees. The fabric absorbs the sweat and thus prevents any wet or slippery feeling on the knee.RELIEF FROM KNEE PAIN - If you are suffering from knee pain, doing any kind of exercise, or even a walk, seems like a big task. This knee strap provides a way to do exercise without worrying about the knee pain. The knee strap goes around your knee, right below your kneecap, and over your patellar tendon to provide support for your knees, which releases the tension, and gives you immediate relief from the knee pain.