M&S
5pk Pure Cotton Bikini Knickers
£8
Customers say:
Fits true to size()Product code: T618800N
About this style
Refresh your everyday collection with this comfortable five-pack set of bikini knickers, made from pure cotton for breathable comfort. This underwear offers the flattering bikini shape with just the right coverage and a brief silhouette that sits smoothly under clothes. Delicate picot trims add a subtle feminine touch to these pantie knickers. M&S Collection: Easy-to-wear wardrobe staples that combine classic and contemporary styles.
Details & care
Details & care
Composition
100% cotton (exclusive of trimmings) , Gusset (of underwear) - 100% cotton
Care
Wash at 40°C
Do not bleach
Tumble dry medium temperature
Iron at low temperature
Do not dry clean
Delivery, collection & returns
Delivery, collection & returns
Delivery
Standard
UK Standard Delivery is available for £3.99 or free on orders over £60 (excluding furniture).
Nominated Day
UK Next Day Delivery and UK Nominated Day Delivery (excluding Northern Ireland) are available for £5.99 (excluding furniture)
Collection
Collect from store
Store collection is free on all fashion, home and beauty orders.
Returns
UK returns
Free
Exclusions apply
Full delivery and collection informationOur returns policyDiscover more in Knickers
Reviews (57)
Disappointing
No, I don't recommend this
The gusset is far too small. Can't use with a pantyliner.
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Great fit
Yes, I recommend this
Love these cotton bikini knickers, pretty but functional. Functional? They stay put and no itchy scratchy bits to irritate. One thing though, please make them in a nude colourway.
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Come up small
Yes, I recommend this
Really nice feel and quite a thick feel cotton compared to other cotton knickers, however these are small for their size, disappointed as I can no longer return
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Frustrated with what should be basic
No, I don't recommend this
I went against negative reviews and bought these hoping they would be a like for like replacement for previous ones which are wearing out. Unfortunately I was disappointed. Quality has gone down, they were also much smaller, and the seam is now thick so more visible under clothing. I just want comfy everyday underwear that's not ridiculously high waist and won't be obvious under an outfit - where can I find it??
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Droopy drawers
No, I don't recommend this
I’m not sure what’s happened to M & S knickers, but these are decidedly droopy drawers. Thin fabric and the elastic is too loose. Disappointing.
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Cotton bikini knickers
Yes, I recommend this
I bought these as replacements for worn out items.
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Average
Yes, I recommend this
Ok fit, but surprisingly, my usual cotton/modal fabric is more comfortable than this pure cotton.
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Great fit
Yes, I recommend this
I always buy knickers from M&S as they are great fit and value for money.
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Changed for the worse
No, I don't recommend this
I bought size 10 as I always have done in the past and they fit was much too big and baggy. The side seams were too wide, not at all like the previous bikini shape. I was very disappointed with my purchase
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Comfortable
Yes, I recommend this
Good quality and comfortable underwear at a good price.
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Not the same cut as they used to be - too high wai
No, I don't recommend this
I have bought this style for years. Bought 2 packs last week (June 2025) and washed them. When I lie a pair of my old bikinis on top of these to compare, the hip circumference is the same, but the depth of the waistband is much deeper and so there is more fabric covering the front and over the bottom. The previous pants had a waistband to gusset measurement of 23cm (8 7/8") in the same size whereas in the new cut the waistband to gusset measurement is 27 3/4 cm (10 5/8"). The elastic is also sewn completely flat so it it looser than in the previous style. If M&S are going to change the cut of a style then they need to change the name as it is NOT THE SAME STYLE. My pelvis has not grown almost two inches taller in line with fashion trends (I'm only 5 feet tall to start with) so I will not buy these again unless they change the cut back.
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Every day go to
Yes, I recommend this
Perfection my everyday go to underwear. Love cotton.
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These are now so big!!! What is going on????
No, I don't recommend this
I have used these knickers for years, size 16. The last pack I bought are massive - the width at the side is about 3cm deeper than previous ones. They constantly move down and are baggy at the top of the leg. I didn't look at them before giving them a wash through before wearing, otherwise I would have taken them back. They are heading towards a full size brief rather than bikini. Really disappointing.
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Comfy and great value
Yes, I recommend this
These pants are comfy and wash well. They don’t show under clothes. They are great value
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What happened to the sizes?!
No, I don't recommend this
These are huge. These are my go to normally, but this pack isnt the same size as the usual. What's happened?!
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Good product, great fit
Yes, I recommend this
Fits perfectly, no muffin top over the hips, washes well,
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Good basic Knickers
Yes, I recommend this
Basic black knickers only buy from M&S. Good quality.
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A good buy
Yes, I recommend this
Great item, fits well. Good value. Definitely recommend
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Huge drop in quality
I have been buying my knickers from you for over 30 years and have always been impressed with the quality. Until now. Major drop in quality. Material feels thinner with much less elasticity. Disappointing.
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Poor quality
No, I don't recommend this
Having bought these exact knickers in the past, I was very disappointed with the quality this time. The material is very thin and the design is different as they are bigger
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