How high should compression socks go? This guide is about knee-highs. If yours reach over your knee, sit in the bend when you sit down, or stop well short, it's tempting to fold the top down.
Here's where the band should sit, and what to do when it won't.
How high should knee-high compression socks go?
Just below the knee: the top band of a knee-high should sit a little under the knee bend, the crease at the back of your knee.
Three guides describe the spot:
- MedlinePlus: knee-length stockings should come to two fingers below the knee bend.
- A best practice statement published by Wounds UK: the top band should sit two fingers' width from the crease of the knee.
- Kent Community Health NHS Foundation Trust: below-knee stockings should be drawn up gradually to 2 to 3 cm below the back of the knee. The top should not sit directly at the crease.
These are close but not identical; follow your product's own instructions if they differ. Treat two fingers as a guide to where the band sits, not an exact measurement.
How do you check the height once they're on?
Find the crease behind your knee by feel, then check the band and the rest of the sock.
Our suggestion: you can't see the back of your own knee, so check by feel or with a mirror, sitting and then standing. Check that the sock's heel sits on your heel, too. This is a fitting check, not a medical test.
- Find the knee bend. Sit with your knee slightly bent. Slide your fingertips up the back of your leg until you feel the crease.
- Check the gap. Lay two fingers flat across the back of your leg, the top finger on the crease. The top edge of the band should sit around the lower edge of your fingers.
- Check the crease is clear. Keep your knee bent and run a fingertip along the crease. The band shouldn't sit on it.
- Stand and feel again. Straighten your leg. The band should still sit below the crease.
- Run a hand down the sock. Feel from the knee to the ankle for folds, creases or rolls.
- Stop if it hurts. Take them off and see "When should you take them off?" below.
Dorset County Hospital NHS Foundation Trust says the fabric should be spread evenly, with no folds or creases. Wounds UK says hosiery should not be twisted, rolled or folded down.
What if compression socks are too long?
Only try adjusting it if it feels comfortable, none of the warning signs below apply, and the fabric moves easily. If the length is clearly wrong, or it won't settle without force, contact us (details below).
These next steps draw on Guy's and St Thomas' NHS Foundation Trust, Kent, Wounds UK and Cleveland Clinic.
Work gently and in stages, without forcing it.
| What you see on a knee-high | Next step |
|---|---|
| The top band covers your knee | Push it back down to the ankle and pull it up again in stages. Check the heel is in place first (Dorset), then aim for about two fingers below the knee bend, with the fabric even and no folds, rolls or bunching. Can't get both gently? Stop and contact us. |
| The top band sits on the crease behind your knee | Don't leave it there. Push it back down to the ankle and pull it up again in stages. If clearing the crease leaves folds or bunching lower down, stop and contact us. |
| Extra fabric gathers at the top | If the sock became overstretched, push it back down to the ankle and pull it up again. Don't fold the extra over. Still there after a gentle try? Stop and contact us. |
| The band sits right but still digs in | If it hurts, feels uncomfortably tight, or you notice any of the warning signs below, take them off (see "When should you take them off?"). Only if none of those apply, check that it isn't overstretched or folded and that placement is correct. Still digs in? Stop adjusting, contact us, and see how tight compression socks should be. Ask your provider about medical suitability. |
Our suggestion: don't cut or alter the top band.
You don't need to try every fix first. If the length is still wrong, or something can't be done gently, contact us.
Our suggestion: send the style, both legs' calf and ankle measurements with units, your US shoe size, and the size and style of the pair you have. Add any length measurement that product asks for, and where the top band sits when you stand and when you sit. For an ankle-sock question, send the style and your US shoe size.
For a band that rolls or slides, see how to keep compression socks from rolling down.
What if they're too short?
Check the fabric and the size side by side; you don't have to rule one out first.
These fabric steps follow Dorset and Kent:
- Feel the ankle and heel. Run your hand over them for folds or creases in the fabric.
- Smooth it up in stages. Work any gathered fabric up your leg a little at a time, gently. Don't force it.
- Check the height again with the two-finger check above.
- Stop if it won't move without a hard pull. If it hurts, take them off (see "When should you take them off?").
On size, Wounds UK's answers to common fit problems ask you to check that the garment is the correct size and that placement is correct.
Our suggestion: use the chart and instructions for the exact pair you are considering. Keep both legs' measurements, and ask us before ordering if the chart does not resolve a calf, foot or length mismatch. Do not assume that different styles use the same sizing rules.
Length is a separate question from calf size. Our fit guide says to check length when the exact product chart requires it. If the product page gives no length, ask us rather than sizing up; don't assume a larger calf size is also longer.
If it still stops well short, get in touch (see what to send above). Our guide on how to measure for compression socks covers measuring.
What lengths does LeafSock sell?
This compares the lengths we sell, not which length is right for a medical need. If a provider prescribed a length, follow those instructions.
We make two heights, knee-high and ankle.
- Knee-high. Our website lists closed-toe knee-highs, open-toe knee-highs and pastel knee-highs. Check the chart and instructions for the exact style.
- Ankle. Our website also lists ankle socks. This is a different coverage height, not a substitute for a prescribed knee-high.
The knee-bend position check in this guide is for knee-highs only. For an ankle style, use that product's own instructions and ask us about any unresolved fit question.
When should you take them off?
Take them off if they feel uncomfortably tight, Cleveland Clinic says.
It also says to remove them if you notice:
- Pain
- Numbness
- Tingling
- Skin discoloration or damage
- Worsening swelling
These are all reasons to call your provider.
The bottom line
On a knee-high, aim for the top band about two fingers below the knee bend, with the rest of the sock lying smooth. If you can't get there gently, stop and ask us rather than folding, cutting or forcing it.
Unsure of your size? Measure with our fit guide.
Frequently asked questions
Can you wear knee-high compression socks over the knee?
No. MedlinePlus and Wounds UK put a knee-high's top band about two fingers below the knee bend, not over the knee or on the crease. If yours covers your knee and won't settle lower without force or bunching, stop and contact the seller with the style and size.
Can I cut the top band if it's too tight or too long?
No. Don't cut or alter a knee-high's top band yourself; contact the seller instead, with the style, the size and where the band sits. If the band hurts or feels uncomfortably tight, take the sock off first and see "When should you take them off?"
What if the top band keeps rolling down?
On a knee-high, Wounds UK says to check that the garment is the correct size and that placement is correct. Our guide on how to keep compression socks from rolling down covers the other checks. If it hurts, take it off.
Some guides we quote were written for people whose stockings were prescribed; we use them only for general fitting steps.
Sources
- Compression stockings — MedlinePlus (U.S. National Library of Medicine)
- Best Practice Statement: Compression hosiery (3rd edition, 2021) — Wounds UK (supported by an educational grant from a compression manufacturer)
- Applying graduated compression stockings — Kent Community Health NHS Foundation Trust
- Advice for applying and wearing compression garments — Dorset County Hospital NHS Foundation Trust
- Compression stockings — Guy's and St Thomas' NHS Foundation Trust
- Compression Therapy — Cleveland Clinic
- What You Need To Know About Compression Socks — Cleveland Clinic