11-0075-X-00000 11-0075-X-00000 20.99

Undersleeve Cotton/Lycra for Knee Braces


Availability: In stock

Latex-free undersleeve increases comfort by protecting the skin and minimizing chafing from a rigid brace. Easy to apply. Machine washable for convenience.

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Product Details

Product Description

Is the Cotton/Lycra Undersleeve right for me?

Prevents chafing and skin irritation by a knee brace. Try our Brace Advisor for personalized product recommendations to meet your needs!

Designed to treat and protect:

  • Chafing
  • Skin irritation

Best for:

  • All activities

Enhance Knee Brace Comfort With This Undersleeve Knee Brace Sock

DonJoy undersleeves are the best way to improve comfort and protect your skin from chafing. Also a great way to keep your leg and knee a bit warmer during cooler months while helping to control moisture during warmer times. 86% Cotton, 14% Lycra.

It is a good idea to buy a pair of these so you can wash one while you wear the other.

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

Increases Comfort
by minimizing chafing
It Stays In Place
Tapered design keeps the undersleeve from sliding
No need to worry about a stinky brace or undersleeve
Dual Leg
Fits the left or right leg
Moisture Control
Constructed of breathable materials

*** NOTE: Undersleeve DOES NOT include Knee Brace shown in photo ***

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

Size Chart & Fit Help


  • Measure circumference of thigh 6 inches above mid-line of patella (knee center)


Small 39cm-47cm (15"-18")
Medium 47cm-53cm (18"-21")
Large 53cm-60cm (21"-23")
X-Large 60cm-67cm (23"-26")
XX-Large 67cm-75cm (26"-29")
Ask A Question (28)

Product Questions

DonJoy Undersleeve Cotton/Lycra for Knee Braces

Product Questions

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  • megan at 05/06/2014 14:49
    • Where on my brace would I be able to find what size it is? It appears that it is good to have the brace and sleeve size match.
    • Megan
      If you have a off the shelf brace the size should be on the inside of the thigh liner at the top of the brace. If you have a custom brace there is a sicker on the inside frame of the brace below the hinges that has a brace number. We can find what size you need by your brace number
  • Tatum at 24/05/2014 15:42
    • Do knee sleeves help the knee brace from slipping?
    • Thank you for your question. The under sleeve can help with slipping in some situations. If you have questions about your brace sliding/slipping on you please call product support at 888-405-3251 to assist with your particular situation.
  • Deanna at 20/05/2014 06:08
    • Hi. I feel like the small leg sleeve would be a little big on me since I'm a tiny person. Is small the smallest size you or is there an extra small size available? If not, do you offer children sizes for leg sleeves?

      Thank You
    • Thank you for your question. The DonJoy Undersleeve Cotton/Lycra for Knee Braces only comes in Small-XXL. The small fits a thigh of 15.5"-18.5", knee center of 13"-14" and calf of 12"-14". We do not have any undersleeves that are smaller than that on betterbraces.co.uk. If you wanted to order the DonJoy Reaction Knee Undersleeve in a XS you could order direct from DonJoy. You can call product support at 888-405-3251 for further information.
  • Chris at 12/05/2014 19:49
    • Six inches above the middle of my patella (knee cap) my thigh measures 21". From the sizing chart it looks like I should order a Medium. Is that correct?

      My brace comes up 9" above the center of my patella. At that place my thigh measures 22". Does that affect the size I should buy?

      How long is the sleeve? My brace is 16" long; I would assume the sleeve needs to be longer than my brace.
    • If you have a DonJoy rigid knee brace the sleeve will come up high enough for it. Get the sleeve the same size of your brace
  • Mike at 23/03/2014 16:31
    • I wear a Don Joy knee brace similar to the "DonJoy FullForce Ligament Knee Brace" when I play hockey. I have found that my knee/shin pads tend to force the brace downward when I play do to sweat and pressure from the knee/shin pad. Will this product help to stabilize the brace or is there another product that someone would be willing to direct me towards?
    • You can try the lycra undersleeve, it should help with the sweating. Another idea is the neoprne suspension strap: https://www.betterbraces.co.uk/donjoy-neoprene-suspension-strap-kit
  • Heather at 16/02/2014 02:05
    • I play all kinds of sports like basketball and soccer and I was wondering if this brace would be good to wear, I need something that will keep my knee cap in place and also be comfortable to wear
    • Thank you for your question. The DonJoy Under sleeve is designed to be worn under a rigid (hard framed brace) to prevent skin irritation and help with fitting. A few braces for your situation may be the Tru-Pull Lite, Lateral "J", or the DonJoy Performer Knee Brace. If you have any further questions about the products please don't hesitate to call us or email.
  • RALPH at 20/01/2014 01:39
    • I wear a knee brace and full length compression hose. Would the undersleeve for the brace be worn over or under the compression hose?
    • Hello,

      An undersleeve for the brace is not needed. It should be worn if you have sensitive skin, or have a allergic reaction to the frame liner. Should you choose to wear it, I suggest wearing it over your compression wear.

      thanks for contacting Donjoy.
  • Jeff Jones at 19/11/2013 01:28
    • I have the nano, can i fold the top & bottom of the sleeve over the brace?

    • Jeff,
      You can fold this portion over the brace if you'd like. It may stretch the fabric out. If you are looking to cover the frame we do sell brace covers. Thank you for contacting DJO.
  • Deidre East at 05/11/2013 21:36
    • I recently got a Playmaker II Fourcepoint Knee Brace and there are seams that rub the back of my knee, Would this sleeve help or would it be too think in combo with the sleeve of the brace?
    • There is a thin Nylon material in the back of the knee to breathe and create additional comfort. If the side seams are causing the irritation, the brace may be too small. It is also not uncommon for there to be some initial irritation when wearing a new brace (much like wearing new shoes). You can try the undersleeve, however, it will add some bulk and deter the breathability. Thank you for your question and for contacting DJO.
  • Sean at 03/10/2013 17:50
    • Do the sleeves prevent or minimize the sweat that gets on the brace lining and pads?
    • Sean,
      The sleeves will provide protection for those with sensitive skin. It will place a barrier between the brace, straps, pads ect and the skin.
      Thanks for your question.
  • Nicole at 31/05/2013 17:54
    • Is the cotton/lycra material similar to wicking material in active wear where it will dry quickly? I'll be training for a half marathon during the summer months and don't want something that will hold onto sweat. I'm assuming the neoprene sleeve would be 'hotter' then the cotton/lycra sleeve. I have worn my brace over compression tights and have had no issues with brace slippage in the past. The original straps and paddings need to be replaced. I received replacement parts from the company a few years ago under warranty and they actually cause more problems than the original worn out straps/padding. I would just like to have an alternative option on hand. Thank you for your response.
    • Hello Nicole,

      Yes, the cotton/lycra is cooler than the thick neoprene. Do you have a Defiance knee brace? We have replacement parts, pads, liners, you can order for your brace. We also have Chamois Liners for the Defiance, they wick mositure away.

      Please call a Product Specialist and we may better assist you. 1-888-405-3251.
  • Tony at 17/04/2013 05:32
    • If my height is 180cm what size should I choose and is it comfortable for playing <a href='http://www.betterbraces.com/basketball'>basketball</a>
    • You should purchase the same size as your knee brace is.
  • dan at 30/01/2013 00:05
    • does the brace help with Osgood schlauters? please this would be very helpful
    • The DonJoy Cross Strap Knee Brace is designed to help with Osgood-Schlatters. I have attached the link to this product here: https://www.betterbraces.co.uk/donjoy-cross-strap

  • Jim at 25/12/2012 02:25
    • I have some questions on undersleeve sizing. I have a 21.5 inch thigh. Which size should I order medium or large? My Donjoy AO NANO braces are size large. Also, In the reviews, someone said to order 1-2 sizes larger than what the sizing chart indicates. And finally, in the Q&A section, there are two different lengths listed for the donjoy undersleeves. Which size, 16 inch or 18.5 inch is correct?
    • Hello, Jim -

      You would want to order a Large undersleeve. Because the Nano is only 14" in length, you would want to go with the shorter length undersleeve.

      Thank you and have a great day!
  • Sid at 05/09/2012 20:37
    • Are these sleeves free of latex and neoprene?
    • The cotton/lycra undersleeve is free of neoprene and latex.

  • Rachel at 16/07/2012 22:51
    • Hello,

      If I purchase "one" of these sleeve(s) at $24.99 am I getting a pair or just one of them? Would I need to purchase two (price of $49.98) to get a pair? The description isn't clear.

      Thanks so much.
    • Each sleeve is $24.99 a piece.
  • Michael M at 14/07/2012 04:44
    • I wear the <a href='/donjoy-armor-knee-brace-with-standard-hinge'>DonJoy Armor knee brace</a> while playing football and a constant problem i experience is the brace sliding around on my knee which has lead to another injury. Would the Neoprene sleeve or the cotton under sleeve help prevent this more?
    • The neoprene sleeve wouuld be more beneficial, You could also try the Silicone strap pad.
  • Steve at 16/06/2012 02:35
    • I was wandering if i wear the knee sleeve with brace while playing <a href='/football'>football</a> and basketball if the brace would slip up and down while playing. I am looking for something to relieve the pinching from the knee brace, but at the same time I want the knee brace snug will it will not move at all. I dont want to re-injure my knee. Thanks.
    • The neoprene sleeve would be more benificial to prevent slippage of the brace, as opposed to the lycra cotton blend undersleeve
  • Sirca at 21/07/2011 23:14
    • Can you tell me the length of the sleeve? From top to bottom, my brace is 21.5' long and I have not been abe to find any sleeves long enough. The top of the brace is more than 6" above mid-patella.
    • The undersleeves are only 16" in lengeth.
  • Sugar at 16/07/2011 03:10
    • How long are the knee brace undersleeves?
    • 18.5 inches.
  • Jason at 09/12/2010 02:01
    • I have measured my leg 6 inches above my knee. It measured 26 inches. Which size would be the best fit, XL or XXL? XL goes to 26.5 and XXL starts at 26.5.
    • Please send us an email with your knee and calf measurements, taken in the exact same way. With this information we can get a better idea of the leg shape.

      Email @ service@betterbraces.co.uk
  • LaurieGardner at 16/09/2010 16:20
    • Does the knee undersleeve come in colors like maroone or gold
    • No, I am sorry. They only come in black.
  • Vince at 15/07/2010 21:26
    • Can you further explain the size chart? I am not sure what size is best for me.
    • Hello Vince,

      Here are more detailed instructions regarding measurement for the DonJoy Knee Brace Undersleeve - Supplex/Lycra

      1. Stand with your legs shoulder-width apart, legs slightly bent and leg muscles contracted.
      2. Measure up six inches from the center of your knee with a tape measure, as shown.
      3. Measure the circumference of your thigh at the 6-inch mark, as shown.
  • Mike at 06/07/2010 22:55
    • Will the knee brace undersleeve help with sweating and such from wearing the <a href='/knee-braces'>knee brace</a> outside on hot days?
    • It will help in that it will help absorb the moisture. It won't keep the knee cooler, but it should make wearing the knee brace more comfortable.
  • Eric Denis at 19/06/2010 19:26
    • Does the cover give any extra protection or stability to the knee?
    • This knee brace undersleeve is designed to protect the skin by adding a layer of comfortable material between your skin and the knee brace. It does not necessarily add any support or stability to the knee.
  • Michael Hewett at 05/06/2010 00:34
    • does the knee brace undersleeve have a seam
    • There is a thin seam that runs the length of the sleeve on the back of the leg and very comfortable against the skin and under a knee brace.
  • BILLIE SMITH at 12/04/2010 23:14
    • It is summer and I am wearing shorts. Would love to get bracesox in tan or kakhi color. Is that possible ??? Thanks
    • The DonJoy Knee Brace Undersleeve only comes in Black.
  • Tom Reid at 04/04/2010 20:21
    • Can the undersleve be worn with the OAdjuster Knee Brace?

      Also what is the difference between the Replacement Kit-Lateral and the Replacement Kit- Medial for the OAdjuster? They appear to be identical.
    • The DonJoy Knee Brace Undersleeve - Supplex/Lycra can be worn under the DonJoy OAdjuster Osteoarthritis Knee Brace. Just be sure to match the sizing of the brace with the sizing of the sleeve (Large brace - Large sleeve, etc)
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