Calvin Klein Underwear CK One Stretch Cotton Trunks, Black

Product information

Demonstrating the brand's uncompromising commitment to quality, these stretch cotton trunks by Calvin Klein will form a solid foundation to all your outfits.
Made from soft stretch-cotton fabric, these classic trunks feature the label's signature logo waistband and a form-fitting cut for exceptional support.

Why not freshen up your socks to match your new underwear?

Calvin Klein Underwear
Eligible for International Delivery
95% cotton, 5% elastane
Washing Instructions
Machine wash

Brand Information

Calvin Klein holds a reputable name in the fashion world, famous for cutting-edge women’s and men’s apparel, as well as beauty and fragrance ranges, jewellery and homeware.

CK was founded by fashion designer Calvin Klein in 1968 in the US. The first collection was a line of men’s and women’s wigs, followed by scarves, shoes, belts, furs, sunglasses, clothing and bed linen.

Today, the company is owned by shirt maker Phillips Van Heusen Corporation, and is stocked worldwide.

The label is famed for its designer jeans, with the signature detail of the brand name on the back pocket.

The company introduced men’s and women’s underwear in the 1980s, and uses big name celebrities to showcase the new collections each season.

CK is recognised for excellent quality, the finest design and on-trend styles and fashions.


The measurements shown on the size chart are body measurements. These are average measurements for guidance to determine which size is right for you.
Please note, actual measurements may vary slightly by style.



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 5 out of 5 by 4 reviewers.
Rated 5 out of 5 by Favourite pants These remain my husband's favourite brand of pants and they wash very well. 17 November 2015
Rated 5 out of 5 by Great as always. My husband won't wear anything but these Calvin Klein trunks. He also won't wear any other colour but white, so thankfully, they come in that colour. They fit well, and are made well. 17 February 2015
Rated 5 out of 5 by good fit comfortable and wife says they look good. Will buy more 23 November 2012
Rated 5 out of 5 by CK breifs I was very happy with the service with I received. It was was delivered on time and the CK trunks were a perfect fitting. Overall I was very satisfied!! Well done John Lewis! 13 September 2012
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