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Armor Knee Brace with Standard Hinge


Availability: In stock

The DonJoy Armor with standard hinge. Designed for support and protection of ACL injuries.

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Product Details

Product Description

One of Our Best Off-the-Shelf Knee Braces

The DonJoy Armor knee brace is the brace to use if you are an extremely active individual or athlete who suffers from an ACL, MCL, or PCL instability or injury. If you're concerned about preventing a ligament injury, try the Armor. It's one of our supportive knee brace that doesn't require a prescription and it also helps minimize your chances of suffering from one of these painful injuries.

The Armor is ideal for athletes who play football, ski, snowboard, ride motorcross, surf, wakeboard, or participate in similar high impact sporting activities.

The DonJoy Armor knee brace is used to treat or prevent the following injuries:

  • Moderate to severe ACL or PCL instabilities
  • ACL/PCL combined instabilities (CI)
  • Recovery from ACL or PCL reconstructions
  • MCL or LCL instabilities
  • Hyperextension

Product Features...and the benefits you'll experience!

  • Available in ACL, PCL, and CI Versions
    You get to choose the brace that is right for your injury, which means your knee will get the proper support where you need it most.
  • Four-Points of Leverage Dynamic System
    This patented technology was developed to reduce the strain on the ACL by distributing the load placed on the ligament via four points. Click here to learn exactly how the Four-Points of Leverage works.
  • Custom Frame and Swiveling Strap Tabs
    Get a perfect fit by molding the brace to your knee, as well as enhance the fit and suspension of the brace with the swiveling strap tabs.
  • 6061 T6 Aircraft Aluminum Frame
    Wear a strong, thick and stable knee brace that is lightweight and low profile.
  • Anti-migration Supra Condyle Pad
    Your knee brace will stay in place.
  • Calf Pinch Guard
    Provides a smooth transition between boot and calf cuff so you'll never pinch your calf again. This is an add-on accessory that is purchased separately.
  • Impact Guard
    Protects the shin and knee against blunt blows, as well as prevents you from ripping pants or uniforms. This is an add-on accessory that is purchased separately.

Sizing and Measurements

Click on the Size Chart tab above to learn how to measure your leg to determine what brace size you need.

Instructions for Use...how to put on your DonJoy Armor Knee Brace.

To ensure you are properly applying your brace, click on the Video tab above and watch our Fitting Video.

Need Replacement Parts?

Shop DonJoy Armor Replacement Parts for strap kits, condyle pads and more.

Shop our complete selection of knee braces or browse additional DonJoy products.

Size Chart & Fit Help

Take the measurement of your thigh and calf 6" above and below your kneecap using a flexible type tape measure.  Use the circumference you measure here to choose your size.

    Size Thigh Knee Center Calf
    XS 13" - 15.5" (33-39 cm) 12"-13" (30-33 cm) 10"-12" (25-30 cm)
    S 15.5" - 18 .5" (39-47 cm) 13"-14" (33-35 cm) 12"-14" (30-35 cm)
    M 18.5" - 21" (47-53 cm) 14"-15" (35-38 cm) 14"-16" (35-40 cm)
    L 21" - 23.5" (53-60 cm) 15"-17" (38-43 cm) 16"-18" (40-45 cm)
    XL 23.5" - 26.5" (60-67 cm) 17"-19" (43-48 cm) 18"-20" (45-50 cm)
    XXL 26.5" - 29.5" (67-75 cm) 19"-21" (48-53 cm) 20"-22" (50-55 cm)
    XXXL 29.5" - 32" (75-83 cm) 21"-23" (53-58 cm) 22"-24" (55-60 cm)

    Center Knee 1.Stand with your legs shoulder-width apart, legs slightly bent and leg muscles contracted.
    6 in Above 2. Measure up six inches from the center of your knee with a tape measure, as shown.
    Thig Circle 3. Measure the circumference of your thigh at the 6-inch mark, as shown.
    6 in below 4. Measure down six inches from the center of your knee with a tape measure, as shown. Then measure the circumference of your calf at the 6-inch mark.


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DonJoy Armor Knee Brace with Standard Hinge

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  • Chris V at 29/05/2014 15:55
    • I'm an amateur strongman, so I carry extremely heavy loads over various distances. As an example, carrying a 350 pound block of concrete 50 feet in a straight line, turning back and carrying it back. Walking in a straight line with 800 pounds across my shoulders or holding 250+ pounds in each hand is also fairly common. Additionally, I have moderate-severe OA in both knees, mostly on the lateral compartment of each.

      Which braces have the best chance of providing some support and stability while also withstanding that sort of loading?
    • Chris
      Take a look at the DonJoy FullForce OA brace. https://www.betterbraces.co.uk/oa-fullforce-knee-brace This brac is for mild to moderate OA and you can get it for the lateral compartment of your knees. The brace is lightwieght and low profile so you can wear it during your strongman stuff.
  • Mike at 24/04/2014 15:23
    • I tore my lcl in my left knee playing football and I was wondering what brace options should I choose for the don joy armor
    • Mike
      You should get the standard Hinge with CI strapping, and depending on your height, if over 5'2" get the standard calf length
  • Todd at 01/01/2014 22:06
    • I have a completely torn PCL from a hockey injury but my other ligaments and meniscus are completely normal. I have not had surgery and just rehabbed my knee. I have no pain or loss of function. I would like to go skiing and was wondering if you would recommend just the PCL version or the combination PCL and ACL version to prevent damage to the ACL.
    • Todd
      The donJoy Armor with a standard hinge PCL strapping and short calf is what you want
  • Albert at 02/12/2013 05:54
    • I had PCL Reconstruction and still have minor stretching of the MCL. What would be the best brace for me when doing activities like Martial arts (e.g. Wrestling, Hapkido, and Ju-jitsu etc.), and Running. When running or sprinting to be exact I feel the tibia start to shift forward and back wards. Would the braces help stop or limit this movement?
    • Hello Albert,

      I recommend looking at Donjoy's ACL/PCL Braces. We recommend the Armor for contact sports, or the Full-fource for non-contact sports/activities. Please take a look at the link below.

      Thanks for Contacting Donjoy.
  • carter at 07/11/2013 20:46
    • So about a year and a half ago I tore my acl and pcl wakeboarding I am trying to get an idea of what the best brace for my situation would be. I still get pain every now and again especially when I am in the gym working it I play basketball 2 or 3 times a week but still feel like my knee is not stable. It's about to be snowboarding season and I need to invest in a brace that will hold my knee together in pretty much any situation. I guess my question is what brace is going to accomplish this better the armor or the defiance?
    • Carter
      Both of these braces have the same technology, four-points of leverage strapping system and standard hinge. The difference is that the Defiance is custom made for your leg only whereas the Armor runs in sizes. If you were to measure your leg 6 inches above the mid-kneecap, 6 inches below mid-kneecap and around the center of your knee then check the sizing chart, if your measurements fall withing one of the sizes that would be the size you would need. If you thigh measures on size and the calf a different size then you would want to go with the Defiance because we will make it to the shape of your leg. Either brace will give you excellent protection while snowboarding.
  • Anne Thrax at 18/09/2013 15:45
    • I torn my MCL and dislocated my knee cap playing Roller Derby. I would love to return to the sport, but need to wear a hinged brace. With so many options - I'm not sure which would work best for me.
    • The Tru-Pull Advanced with hinges will give you support for the MCL and the Tru-Pull will keep the kneecap in the groove and help keep it from dislocating derby on Anne!
  • Whay at 18/09/2013 02:02
    • My thigh measures 17", calf 12 1/4", but my knee center is only 11 1/2". What size should I choose?
    • You should order a small. The Armor can be pushed in at the knee some to take up that gap and you can use a thicker condyle pad.
  • John Jacobs at 31/08/2013 19:41
    • I have an extreme bone contusion in my right knee on my Tibial Plateau. I am a serious wakeboard, and a high school pole vaulter. I am wondering about the support this brace will have on the bones in my knee? also i would like to know if it would prevent future bone contusions in my knee?
    • You should look at the Armor and the knee guard attachment that would give you the most support and protetction, i would also recommend a sports cover for when wakeboarding.
  • YOSHA at 01/08/2013 09:15
    • Hello. I have an torn ACL, torn meniscus that was shaved down and removed debris and also little to no cartridge in my left knee. I recently purchased an armor action brace. Was that the wrong brace to purchase.
    • Hello Yosha,

      The Armor is a great brace for the ACL. We also have Meniscus Knee braces if you are interested in providing off-loading to your knee. Please see the link below to learn about Arthritis Knee Braces.


      Thanks for Contacting Donjoy.
  • Tyler at 16/07/2013 18:32
    • I have a meniscus tear but the ligaments are still in tact. Which knee compartment would you recommend for this brace?
    • Hello Tyler,

      Are you interested in an Osteo Arthritis Brace? The Armor is not an OA Brace. Which compartment is affected, your medial or lateral?

      Thanks for Contacting Donjoy.
  • Lori at 04/04/2013 05:57
    • Which Knee Compartment do I choose for an MCL/Meniscus tear injury?
    • Hello, Lori -

      If you have an MCL/Meniscus tear, the strapping does not affect these injuries. The strapping is for either ACL, PCL or CI (combined instability). It is normally recommended to choose ACL strapping, unless you know for sure you have PCL injury involvement because the ACL is the most commonly injured ligament.

      Thank you and have a wonderful day!
  • carol at 15/02/2013 07:23
    • i don't know how to use the final strap, marked both 4 & 5,. directions are not clear
    • Hello, Carol -

      Please refer to this link. You want to watch the video entitled DonJoy ACL Knee Brace Fitting. This video will teach you how to apply the strapping sequence appropriately.


      If you have further questions, please feel free to contact our product specialists at 888-405-3251.

      Thank you and have a wonderful day!
  • Brandon at 10/02/2013 10:13
    • Does this brace come in any other colors?
    • Hello, Brandon -

      No, this brace does not come in any other colors. The only braces that you are able to choose a color or pattern would be our custom Defiance braces.

      Thank you and have a wonderful day!
  • Matt at 23/05/2012 16:42
    • Hi there i was looking on your sight about a knee brace that would help prevent injuries towards my right knee, i have a torn MCL and a slighty torn ACL i am a football athlete looking for something i can depend on. I was viewing the DonJoy Knee Brace with Standard Hinge. would this be something you recommend? With that said i also saw something about no delievy's to Canada, would this mean i cant purchase a brace from you're company?

      Thank you for your time.
    • The Armor with FourcePoint Hinges are best for ACL injuries. You could use the standard hinge as well, it just provides less support specifically for the ACL. For Canadian orders please call our Canadian office at 866-866-5031.
  • Whitney at 18/01/2011 01:12
    • Is this brace good for me to play volleyball? i torn my acl, mcl, meniscus in 4 places, & sprained my pcl. Should i get another brace or this one?
    • Hello Whitney,

      The DonJoy Armor is a great rigid brace. If you want the same protection in a lighter brace, also check out the DonJoy Full Force Ligament Knee Brace.

  • Franz at 05/01/2011 13:55
    • 1. What is the difference in inches between the "standard" and "short" size?

      2. What part of the brace is shorter on the "short" size, the part of the brace which is below the hinge or above the hinge?

      3. I am purchasing the brace primarily to avoid knee hyper-extension ( PCL protection?). I see that in the "Knee Compartment" section above there are three options in the "Choose option..." box: ACL, CI and PCL. Does each of these represent a slight variation in the brace and if so, what are the variations?

      Thank you.
    • Hello Franz,

      1. 1 inch
      2. Calf Cuff
      3. The strapping sequence changes to address the ACL, PCL or both, (CI or combined instability)
  • Ken at 04/01/2011 01:50
    • I had a ACL repair but after playing soccer post rehab it got a little loose on me. Now when I play any type of dynamic sport my knee gets a little loose. What brace should I choose the full force. Defiance. The only dynamic sport I do now without instability is skiing. But I would like tp play soccer and b ball with my kids.
      Which would be the best choice defiance, full force ?
      Also what difference between rx braces and off the shelf. Thanks. Ken
    • Hello Ken,

      The DonJoy Defiance is a custom knee brace that is built specifically to your measurements. Because of this, the Defiance will always be the best rigid brace we carry in support and ACL protection.

      The DonJoy Fullforce is a great top of the line off the shelf brace (meaning sized like small, medium, large). This brace will add support and stability to the knee and help protect the ACL.

      Neither braces will require a prescription.

      Either brace will fit the application and activity level you described.
  • Rick Garcia at 19/09/2010 15:47
    • My thigh and calf measurements place me in the medium size range but my knee size does so in the large range. Which size would fit best?
    • Hello Rick,

      Send us an email @ service@betterbraces.co.uk with your measurements so that I can give a more accurate recommendation.
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