John Lewis Mercerised Cotton Socks, Pack of 3, Black

Product information

3-pack of socks are made from cotton which has been treated to make them stronger, less prone to shrinkage, and even more lustrous than normal cotton. Essential for work and smart casual occasions.

John Lewis sock sizing:

  • S = UK shoe sizes 6-8
  • M = UK shoe sizes 9-11
  • L = UK shoe sizes 11-13

As well as new socks, why not get some new underwear?

John Lewis
Eligible for International Delivery
100% cotton
Washing Instructions
Machine washable


Click & collect

Click & collect from John Lewis or Waitrose shops tomorrow from 2pm
375 participating John Lewis and Waitrose shops

Collect + from a local shop from tomorrow - postcode exclusions apply for Collect+ deliveries

5000+ participating Collect+ shops

Standard delivery in 5 working days


Named or Saturday UK delivery


Named day UK delivery pre-10.30am


International delivery available

  • Europe (Non EU) - £7.50
  • Europe (EU) - £7.50
  • Rest of World - £10.00
  • Australia - £10.00
Provided by JL Delivery Ltd - more about international delivery


We want you to be happy with your purchase. If you're not, depending on the type of product, you can make free returns in the UK via John Lewis shops, Royal Mail, Collect+, or MyHermes. If you need to arrange collection of large or heavy items, call us on 03456 049 049. For international returns queries, call us on +44 1698 545 454. Find out more about returns.

You'll find returns information on your delivery note. Unless faulty, we'd like you to make your return within 90 days of purchase. Exceptions apply to certain products - find out more about our refund policy.

Q & As

Rated 3.3 out of 5 by 13 reviewers.
Rated 3 out of 5 by Nice socks Nice socks, but they do shrink a lot after the first washing. Size ok after washing! 03 November 2015
Rated 5 out of 5 by Very useful Useful socks to wear around the house in summer and under thicker, more difficult to wash, socks in winter. 08 September 2015
Rated 5 out of 5 by Mercerised cotton socks Excellent. Comfortable, and dry for damp hard working feet! Room to breathe and cool to wear, they are truly excellent. My son would have no other than these. 21 July 2015
Rated 1 out of 5 by wear quality is terrible heels worn through after only 4 days wear so were returned. Either a faulty pair of socks or really bad quality material used in product. 03 January 2015
Rated 3 out of 5 by sox oh is that what i bought? socks. yes, they were averagely good three star summer socks, although 'mercerised', which if i remember on asking means cotton. What can you say about socks. A disappointing christmas present, if you're six ( a train set would have been expected), but i'm not. more like sixty six!!! on reflection they're cool socks. i'd buy them again. I don't mean that i haven't bought them already, i mean i'd buy another pair. or three. as that's how they come. i hope they don't shrink. 29 July 2014
Rated 5 out of 5 by Great product I was very pleased with the quality and price of these socks 11 June 2014
Rated 4 out of 5 by socks without stretch aren't so prone to shrinkage - that's good I have bought so many different brands and types of socks from different retailers however these are the only ones that withstand the wash prescribed on the care label without shrinking . the quality and weight of cotton in all products (including John Lewis) is, in my experience, falling fast, as the price of this commodity rises worldwide. Which is why so many socks t shirts etc shrink and warp so badly - (and t shirts are so thin and see through! ) . This product doesn't get five stars because two pairs of the 20 I've bought in the past two years have worn through after ten wears (that's only ten days) and after about six washes they all shrink a little, but not half as much as other socks I've bought. The bagginess others complain of doesn't affect my husband - they fit but don't nag at his ankles and are loose on his toes. About to buy more ! 10 June 2014
Rated 2 out of 5 by Not good value for money I thought this own brand product represented good value for money however I was disappointed with the quality of these socks. After their first wash they lost their shape and became less comfortable to wear, rucking up in my shoes and slipping down my ankles. Although the cost of branded socks sold individually is less palatable the quality and overall value they represent is better. 28 May 2014
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