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POD K300 MX Knee Brace

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POD K300 MX Knee Brace

Utilizing an injection molded glass-reinforced nylon frame construction the Fox Racing MX K300 offers the same superior support, comfort and function as the K700 at an affordable price.


  • Inspired by the human body, the patented Human Motion Hinge uses shock-absorbing ligaments engineered from advanced materials to provide natural triaxial knee motion combined with ultimate support
  • Injection molded in glass-reinforced nylon for structural strength and shares the same modular design and features as the premium knee brace
  • Interior Strap loops capture your leg to resist rotational forces and brace migration
  • Self-Tracking Patella guard stays positioned in front of your knee and transfers impacts through out the brace and away from the knee itself
  • Antibacterial moisture wicking frame liners, condyle pads and strap pads keep you cool and comfortable

Mens Knee Guard

Size  Knee Width Measurement (in) Knee Circumference Measurement (in)
SM 4.0–4.3 12.6–13.4
MD 4.3–4.5 13.4–14.1
LG 4.5–4.7 14.1–14.8
XL 4.7–5.0 14.8–15.8
2XL 5.0–5.2 15.8–16.8

Sizing information is provided by the manufacturer and does not guarantee a perfect fit.

Click here to see the full POD Knee Braces Size Chart
Product Style RevZilla Item # Manufacturer Product # Availability
Left / LG 789106 633523398196 Out of Stock
Left / MD 789108 633523398202 In Stock: Ships next business day
Right / LG 789116 633523523079 Out of Stock
Right / MD 789117 633523523086 Out of Stock


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We show real-time availability on this product page when you select the size/color item you want.  Most items will ship the same business day an order is placed,however if an item requires additional processing time a message will be shown indicating such.

See our full Shipping Policy for further details.


If your order arrives and it is not right, we will we'll fix it, NO NONSENSE, we promise.

Doesn't fit or just not happy with it? You can return any new, unused and unaltered item within 30 business days of delivery receipt of your item. We will issue a full refund to your original payment method.

See our full Return Policy for all of the pertinent details.

Write a Product Review for a chance to win our monthly $100 giveaways.
POD K300 MX Knee Brace 5 5 2 2
Pod/Fox scores with this knee brace! I had both my ACL's repaired a long time ago and recently I've been thinking I might benefit from some additional knee support during off-road riding. I had custom Donjoy braces made for me in the mid-nineties, but they don't exactly fit anymore. So instead of dealing with getting new custom braces, I thought I would buy some off-the-shelf units. I bought these and a pair of closely priced (moderately less expensive) competitors units. These are far and away the superior braces. These braces are well made and might actually help brace the knee in a high impact scenario. They offer substantial support against varus, valgus, rotational torsion and hyperextension. In contrast, the similarly priced competitors units offer minimal support and are easily twisted and deformed with very little effort. Pod/Fox offers 4 sizes of the brace which helps increase the likelihood of achieving a good fit - which is essential to giving the brace the best chance of actually doing something in an impact situation! On the downside, the knee cap protection is probably less than it could be. It's attached to the frame and sort of floats in space, with open exposed areas above and below the knee cap. I haven't crashed in them yet - I'm curious to know if the knee cup stays where it's supposed to. These braces aren't cheap, but they are well-made and offer loads of support compared to some of the competition. I believe there is a decent chance they can prevent or lessen injury, and I highly recommend. May 30, 2014
Produto muito bom Qualidade dos materiais excelente. ótima fixação transmite muita segurança December 21, 2011
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Have a functionality, fit, or otherwise product-specific question about the POD K300 MX Knee Brace? Ask it here! If you have a customer service or shipping question, please direct it to our Customer Service department.

POD K300 MX Knee Brace
Already Asked: 2 Questions, 2 Answers
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A shopper asked: Hello, I have tried them on my question is: can the molded frame be adjusted and tweaked a little and how do you do it? Heat Gun and would it keep the new shape? Thanks, Stan, Oregon. Sep 9, 2014
Answer this · Send to friends Good question? Yes (0) No (0)
Santiago A: Nop. The frame is made out of fiber glass and metal. No way to mold it.
It's normal for the frame to be quite loose on the sides, because that's not the way it protects your knees. If it were tight, it will probably hurt your muscle when riding.
I've used them for a year and they have save my kneed several times from strong impacts and lateral stresses, despite the fit quite loose on the sides.
Sep 9, 2014
Reply to Santiago Good answer? Yes (0) No (0)
A S: Thanks for the comeback.The problem is the molded brace bottom digs into the center of my front leg muscle area so I am thinking of cutting it off, it is a large and ex-large is way to big. Thanks for the info it's the only answer I have received from anyone. Sep 11, 2014
A shopper asked: I'm interested in the Fox K300 knee braces. Do you have a sizing chart for them somewhere? I'm not finding one. Thanks! Jan 5, 2012
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Stevan P: You will need to measure the width of your knee just below the knee cap. Small :10 - 10.8cm / Medium:10.8-11.4cm / Large:11.4-12cm / XL:12-12.7 / XXL:12.7-13.4

*This is made by POD and they suggest finding a local retailer that has the POD Measuring Tool to ensure an accurate fit.
Jan 10, 2012
Reply to Stevan Good answer? Yes (0) No (0)