How to Choose a Knee Brace | Sizing, Types and Fitting Guide
Getting a knee brace that actually fits
Braces are almost always final sale, for hygiene reasons that apply everywhere. That makes the fitting the whole decision — and it means you should take as long as you need before you pay, not after.
Measure first, at home, before you shop
Nearly every brace is sized on a circumference measurement, and every manufacturer uses a slightly different chart. Turning up without a number means guessing, and guessing on a final-sale item is how people end up with a brace in a drawer.
For a knee brace, measure around the middle of the knee, across the kneecap, with the leg relaxed and slightly bent. Some charts also ask for measurements roughly 15 cm above and below the knee, so take those too while you have the tape out. Write all three down.
Measure the injured leg, not the good one, and measure at the time of day you will usually wear it. Swelling changes through the day, and a brace sized on a morning measurement can be uncomfortable by the evening.
An acutely swollen or painful knee that will not bend properly is the wrong knee for a slip-on sleeve, and nobody should be pulling one onto it for you. A wraparound brace opens completely flat and fastens around the leg with straps, so it goes on without bending the joint or dragging over the swelling. It is also easier to loosen as the swelling changes. Ask for a wraparound; do not let anyone tug a sleeve into place.
The four broad types
What each is for, in plain terms.
Compression sleeve
Mild support
Elastic tube that pulls on over the foot.
- Mild aches, general reassurance, arthritis
- Thin enough to wear under clothing
- Hard to get on over a swollen joint
Wraparound
Adjustable
Opens flat, fastens with straps around the leg.
- Best when the knee is swollen or stiff
- Tension can be adjusted through the day
- More forgiving if you are between sizes
Hinged
Structural support
Rigid or semi-rigid uprights with hinges at the joint.
- Ligament injuries and instability
- Often what a clinician recommends after a sprain
- Bulkier, and worth trying on before buying
Patella strap
Targeted
A narrow band worn just below the kneecap.
- Pain at the front of the knee, tendon irritation
- Minimal bulk, easy under trousers
- Does nothing for instability
If you have a diagnosed ligament injury, or you are recovering from surgery, ask your physiotherapist or surgeon which type they want you in before you buy. The difference between a sleeve and a hinged brace matters clinically, and it is not a preference question.
Wearing it for sport is a different question
A brace that feels supportive standing still in a shop can feel like a tourniquet twenty minutes into a game. Muscle expands under load, and circumference at rest is not circumference mid-effort.
If the brace is for sport, say so before you size it. In practice that usually points toward a wraparound or hinged design with adjustable straps rather than a fixed-circumference sleeve, so you can loosen it as you warm up. It is also worth bending, squatting and walking in it in the shop rather than just standing there.
You should be able to slide one finger under the strap or edge without a struggle. And the brace should not slip when you walk ten steps — if it slides down, it is too big, and no amount of tightening fixes that properly. Both take thirty seconds and both are worth doing before you pay.
Why braces are usually final sale, and what that means for you
Braces, sleeves and compression garments sit against skin. Once one has been worn, it cannot be resold, and no reputable supplier will put a returned brace back on the shelf. That is a hygiene standard rather than a sales tactic, and you will find it at every medical supplier.
But it puts an obligation on the shop, not just on you. If an item cannot be returned, then the fitting has to happen properly before you pay, however long that takes. Trying three sizes is not being difficult. Asking to walk around in it is not being difficult. Changing your mind at the counter is not being difficult.
If you feel rushed while making a final-sale decision about something you will wear every day, that is worth noticing. Take the measurements home and think about it. Nothing here is so urgent that it cannot wait an afternoon.
If you are claiming on insurance
The order of operations matters here too.
Ask your plan first
Whether braces are covered, the annual maximum, and whether pre-authorization is required. Many plans need approval before purchase.
Get a written quote
We will provide one free, itemised with the product name and model, which is what insurers ask for. Send that to your plan.
Then buy
Once you know what is covered. We give itemised invoices for your claim, and keep no documents of yours.
If the injury came from work or a car accident, it runs through a claim rather than a private plan — see our WorkSafeBC and ICBC guide. For provincial funding routes, see the funding guide.
Common questions
My knee is swollen and I cannot straighten it. What should I get?
A wraparound brace rather than a pull-on sleeve. It opens flat and fastens around the leg, so it goes on without bending the joint or dragging across the swelling, and you can adjust the tension as the swelling settles. Nobody should be forcing a sleeve onto a painful knee — if that starts happening, stop them.
Do braces come in youth or smaller sizes?
Many manufacturers do make smaller sizes, and some produce paediatric ranges. Availability varies by brand and by model, so the useful answer is always the measurement rather than a yes or no. Bring the circumference and we will tell you what is available in it.
Between two sizes — go up or down?
Generally go up, particularly with a sleeve, and particularly if there is any swelling. Too tight restricts circulation and gets worse through the day; slightly loose is uncomfortable but not harmful. With a wraparound the question matters less, since the straps take up the difference.
Can I try one on in the shop?
Yes, and you should. Try more than one size, walk in it, bend the knee, sit down and stand up. Since braces cannot be returned once worn, the fitting is the only chance to get it right, and we would rather spend twenty minutes than have you stuck with the wrong one.
How tight should it be?
Snug enough not to slide when you walk, loose enough to slip one finger underneath. If you get pins and needles, coldness, colour change or numbness below the brace, it is too tight — take it off and loosen it. Those are circulation signs and not something to push through.
Should I be wearing a brace at all?
For a minor ache, a support is reasonable to try. For a significant injury, ongoing pain, instability or anything after surgery, see a physiotherapist or your doctor first — the right brace depends on what is actually damaged, and the wrong one can let you load a joint that should be resting.
How do I wash it?
Hand wash in cool water with mild soap and air dry away from direct heat. Machine washing and tumble drying ruin the elastic, and a stretched brace no longer supports anything. Two braces alternated last considerably longer than one worn daily.
This page is general information about brace types and fitting, not medical advice. Must Medical Equipment is a retailer, not a clinic, and we do not diagnose injuries. For a significant injury, ongoing pain, instability, or recovery from surgery, speak to your physician or physiotherapist about which brace is appropriate before purchasing. Stop using any brace that causes numbness, tingling, coldness or colour change below it, and seek advice.
Fittings across the Lower Mainland
Our Surrey showroom is open for fittings, and we serve customers throughout Metro Vancouver and the Fraser Valley — Surrey, White Rock, South Surrey, Delta, Ladner, Tsawwassen, Langley, Aldergrove, Burnaby, New Westminster, Richmond, Vancouver, North Vancouver, West Vancouver, Coquitlam, Port Coquitlam, Port Moody, Maple Ridge, Pitt Meadows, Abbotsford, Mission and Chilliwack. If you cannot get in, call with your measurements and we will talk it through.
Bring your measurements, take your time
Try as many sizes as you need. Walk around in it. Change your mind at the counter if you want to. Nobody will rush you through a decision you cannot undo.
- Showroom: 12987 80 Ave, Surrey, BC
- 604-240-2450
- info@mustmedical.ca
- Open 24 hours, 7 days a week