Update your browser for a better shopping experience!

Get faster load times, stronger security and access to all features.

3pk 20 Denier Firm Support Knee Highs

Product code: T606407

About this style

These firm support knee highs improve circulation and reduce ankle swelling for all-day comfort. Made from material with a sheer 20 denier finish and a beautiful shine. The convenient three-pack features antibacterial Freshfeet™ technology to combat odour-causing bacteria, while flexible added stretch ensures a perfect fit across different size options plus provides superior comfort. These durable stocking-style tight knee highs feature reinforced toes for long-lasting wear. M&S Collection: Easy-to-wear wardrobe staples that combine classic and contemporary styles.

M&S

3pk 20 Denier Firm Support Knee Highs

£9

Colour

Customers say:

Fits true to size()
Size

Free standard delivery over £60

Reviews (109)

3.6

46% Recommended this product

Mentions
28 February 2026Ljules
Verified Purchase

Not firm enough

No, I don't recommend this

Not firm enough they roll down I did keep but not to pleased

Reviewer Ratings

How did it fit?

A bit large

Helpful?

Reviewer Ratings

How did it fit?

A bit large

26 February 2026Thom28
Verified Purchase

Great benefit

Yes, I recommend this

I was advised to wear support socks,and I find enormous benefit from these. I wear them every day.

Reviewer Ratings

How did it fit?

True to size

Helpful?

Reviewer Ratings

How did it fit?

True to size

24 February 2026SarahJaneLouise
Verified Purchase

Unwearable

No, I don't recommend this

These were easy to put on and fitted well. Unfortunately, within an hour the wide elastcated welts at the top of the socks had rolled up into a tight sausage, which was very uncomfortable and left a red indentation on the skin at the top of my calves which was still there the next day. I was worried that it would cut off circulation and increase the risk of blood clots - I had to break my journey to take them off, and get alternative socks from my suitcase. Maybe these are not 'one size' but 'slim leg only'?

Reviewer Ratings

How did it fit?

A bit small

Helpful?

Reviewer Ratings

How did it fit?

A bit small

12 February 2026Lancslass48
Verified Purchase

Too firm

Unfortunately I ordered the wrong support knee highs. These are too firm, really need medium only.

Reviewer Ratings

How did it fit?

A bit small

Helpful?

Reviewer Ratings

How did it fit?

A bit small

09 February 2026Dot shaw
Verified Purchase

Review of order

Yes, I recommend this

Just the right length and material that i wanted to wear

Reviewer Ratings

How did it fit?

True to size

Helpful?

Reviewer Ratings

How did it fit?

True to size

07 February 2026Schoffy
Verified Purchase

Comfortable but .....

No, I don't recommend this

These were comfortable but wear but I was disappointed to find that they didnt always stay up which was a problem when worn with trousers.

Reviewer Ratings

How did it fit?

True to size

Helpful?

Reviewer Ratings

How did it fit?

True to size

05 February 2026HarveySula
Verified Purchase

Best Support Oop Socks Ever

Yes, I recommend this

Got these to help me when standing and sitting for long periods. Absolutely perfect and work stops legs feeling tired and swelling.

Reviewer Ratings

How did it fit?

True to size

Helpful?

Reviewer Ratings

How did it fit?

True to size

04 February 2026Annie60
Verified Purchase

Good quality

Yes, I recommend this

I’m at an age when I need support stockings but I find them too thick and tight so these are a good alternative

Reviewer Ratings

How did it fit?

True to size

Helpful?

Reviewer Ratings

How did it fit?

True to size

20 January 2026Het08
Verified Purchase

Surely the best on the market.

Yes, I recommend this

This is the first time I have purchased these. Surely the best on the market. I liked the heel and I found them very comfortable. I had always bought M&S 15dn knee highs. Sadly I have arthritis and cannot put them on myself as hands and wrists are not strong enough. I don't have a carer every day so I still have to wear my 15dn when I dress myself. I thoroughly recommend them but I need a carer every day to get the benefit so shall not purchase them again.

Reviewer Ratings

How did it fit?

True to size

Helpful?

Reviewer Ratings

How did it fit?

True to size

18 January 2026spider1
Verified Purchase

Great for under trousers at work

Yes, I recommend this

Great option if you need a bit of lower leg support but dont want full tights under trousers. Please do some in black.

Reviewer Ratings

How did it fit?

True to size

Helpful?

Reviewer Ratings

How did it fit?

True to size

08 January 2026Matilda12 Surelynot all t
Verified Purchase

Very disappointed

No, I don't recommend this

I sent for 4 packets of firm support knee highs and very disappointed as they just slip down my legs. Very uncomfortable and as I am supposed to wear support for health reasons this was a waste of my money. Would not recommend them

Helpful?

03 January 2026Sal x
Verified Purchase

Everyday item

Yes, I recommend this

Good basic everyday item, fits well and stays up not a lot more I can say

Reviewer Ratings

How did it fit?

True to size

Helpful?

Reviewer Ratings

How did it fit?

True to size

30 December 2025HazelJ57
Verified Purchase

Great support knee highs.

Yes, I recommend this

Just what I expected, although the colour is darker than last year.

Reviewer Ratings

How did it fit?

True to size

Helpful?

Reviewer Ratings

How did it fit?

True to size

29 December 2025HedgehogHotelHost
Verified Purchase

Extremely poor quality, go elsewear.

No, I don't recommend this

Extremely poor quality. Can’t even guarantee one day’s wear in slippers at home. Ladders from toe to knee. This is an established problem over the last 12 months, I thought that I had just bought a bad batch as it’s not what I expect from M&S. I should be able to give a zero rating. If they were a pound a pair they might get a one star rating. Don’t waste your money. Go elsewear.

Reviewer Ratings

How did it fit?

True to size

Helpful?

Reviewer Ratings

How did it fit?

True to size

27 December 2025Gillian74
Verified Purchase

Fab knee highs.

Yes, I recommend this

I always wear knee highs. I absolutely loved these so comfy at the knee no tight red line either

Reviewer Ratings

How did it fit?

True to size

Helpful?

Reviewer Ratings

How did it fit?

True to size

25 December 2025Maud Phillips
Verified Purchase

Good support knee-high stockings

Yes, I recommend this

I have bought these support knee highs before and always liked them.

Reviewer Ratings

How did it fit?

True to size

Helpful?

Reviewer Ratings

How did it fit?

True to size

23 December 2025Suesizzle
Verified Purchase

They don’t fall down!

Yes, I recommend this

These knee highs are a favourite with me. Although they are described as ‘firm support’ I don’t wear them for support reasons - I love the fact that they don’t fall down to my ankles like other knee highs. I wish they were available in black, not just nearly black.

Reviewer Ratings

How did it fit?

True to size

Helpful?

Reviewer Ratings

How did it fit?

True to size

18 December 2025isiwig
Verified Purchase

Quality seems good but sizing not

No, I don't recommend this

This product is not suitable for a size 7 and above as it is too small in the foot and therefore too short in the length. I have previously bought these which were for a wide fitting but it does not seem to be available now.

Helpful?

16 December 2025Yorkieanne
Verified Purchase

Best Ever

Yes, I recommend this

These are the best and most comfortable support knee highs I have tried.

Reviewer Ratings

How did it fit?

True to size

Helpful?

Reviewer Ratings

How did it fit?

True to size

15 December 2025Janine 42
Verified Purchase

Excellent support socks

Yes, I recommend this

I wear these support socks all the time. Quality is excellent and I like the colour

Reviewer Ratings

How did it fit?

True to size

Helpful?

Reviewer Ratings

How did it fit?

True to size

1 of 19