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Tested: DonJoy Cartilage Knee Brace

donjoy comfort knee brace

When I couldn’t get rid of my knee pain when cycling (long story), the first thing I tried was a knee brace. They’re relatively inexpensive and I’ve had braces help my wrists, ankles, and shoulders in the past, so it was a logical first step.

I chose a DonJoy Cartilage Comfort Knee Brace for two reasons:

  1. It looked like it would provide support without ruining my mobility.
  2. It was the cheapest option when it came to the higher-end knee braces.

How cheap? Only $35 from

The brace is made of cotton, uses a horseshoe-shaped foam pad for anterior knee compression, and offers medial and lateral support. I’m not sure what the side supports are made of – possibly a thin metal – but they are flexible and don’t hinder my movement.

I don’t have any patella tracking issues, but I still like the foam pad on the front to be extra sure my knee cap is staying in place.

I ordered a size medium (size chosen based on Donjoy’s recommendations, not the chart) and it fits me well. It is nice and tight, but still comfortable. If I had gone with a size large, it would have been a little loose, rather than tight and supportive.

Now let’s quickly run through what I like and don’t like about this brace:

What I Like About The Donjoy Comfort Knee Brace

I liked quite a few things about this knee brace:

  • Comfort. This brace is actually more comfortable than the more expensive ones with adjustment straps.
  • Mobility. It doesn’t interfere with running or any normal movements.
  • Lateral support. It has good lateral support thanks to the metal bracing. Braces without this side support left my knee feeling unstable.
  • Patella support. It has a pad around patella, which makes it feel secure and makes certain your knee cap stays where it should.
  • Price. It costs just $35 at It is well worth it, considering how it helps.

What I Don’t Like About The Donjoy Comfort Knee Brace

There are only a few minor things I don’t like about this brace.

  • It gets dirty. Since it’s white, if it gets dirty at all, you really notice it.
  • Cotton. Unfortunately the cotton material isn’t as nice as Drytex or a similar neoprene-like fabric. It gets wet and stays wet, so it’s not fun in the rain or when sweating.
  • The seams. Unfortunately the bottom and top seams cut into my legs and leave fairly deep indents if I wear the brace for a few hours.

Let me talk about the seams a bit more…

While I like how the brace always stays in place, the top and bottom seams are extra tight. If I wear the brace for a couple hours, I have deep indents in my leg where the seams were.

I’ve tried other Donjoy knee braces in size large (and they were huge), so I worry a size large in this brace wouldn’t be tight enough on the knee itself. I don’t want to give up the good knee support to get looser seams!

The problem for me is I’m not a naturally big person, but I have relatively large leg muscles considering my athletic background. So my quads and calves are big, but my knee itself is small. so a brace that fits my muscles isn’t tight enough on my knee.

Luckily, the brace never cut off my circulation or anything, so it’s not a huge deal. I just don’t wear the brace for more than a couple hours at a time, and I don’t wear it in situations where my knee will be bent a lot (i.e. a motorcycle ride).

My final verdict is…

This is a great knee brace at a great price. It’s comfortable and offers good mobility, with just enough support. It’s not bulky like the other braces I tried. If you have minor knee instability from a torn meniscus or chondromalacia patella, try this out.

Official website:

Buy online:

Product Review Details
Company: DonJoy
Product: DonJoy Cartilage Knee Brace
Reviewed by: Coach Levi
My Rating: 4.2 out of 5
Date last updated: 2015-05-11
Obtained Product: Purchased at retailer. Advertiser: No.

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coach levi
Hi, I'm Coach Levi. I'm a USA Cycling Certified Level 3 Coach as well as Level 1 Certified with Precision Nutrition. Want to feel better, ride faster, and look great? Let's work together!

usa cycling certified coach

pn1 certified coach
Coach Levi is my favorite child and favorite cycling coach. I'd choose him over Christoper McCarmikael even. Did I mention that Levi can coach you to a healthier lifestyle where you look and feel your best?
Coach Levi's Mom
Hometown, PA