Simple made better.
The luxurious lustre of ultra-fine fibres.
100% Merino Crew Neck Sweater
Extra fine merino is an extremely thin fibre that is approximately 1/4 the size of a human hair. That's what makes the flexibility, lustre, and everything else special. This is a piece that will add a beautiful look to your everyday life.


Extra fine merino is an extremely thin fibre that is approximately 1/4 the size of a human hair. That's what makes the flexibility, lustre, and everything else special. This is a piece that will add a beautiful look to your everyday life.
Product stories
Gorgeous colours born from fine yarn.
Extra Fine Merino wool, with its incredibly thin fibres, has a shiny surface and produces vivid colours. Furthermore, UNIQLO's aim has been to create consistently beautiful colours by dyeing the wool when it's raw, instead of after it has been spun into yarn. We worked hard to give these sweaters great colours in addition to great material.


Easy-care, 100% wool.
Wool is a dainty natural material with a pleasing texture. But the downside is the extra care it requires. We've worked out several ways to overcome that. With a special nonshrink treatment, this sweater is machine washable and prevents furballs while retaining the material's elegant feel and maintaining its beauty for a long time.


Fully bringing out the fine colour and lustre.
Only by using extra fine merino, which has extremely thin fibres, were we able to achieve excellent colour and elegant lustre. In order to make the most of its characteristics, dyeing is done at the pre-spun stage. The wool is dyed evenly over time and is transformed into beautiful thread through a process called "drawing" (making the separated fibres uniform). The knitting itself is done by machine, but the linking that connects each part is done by the hands of craftsmen. Then, by applying washable processing, it's made both beautiful and easy to care for. The higher quality the knitwear, the more you want to wear its comfortable fit every day. The volume of processes we employ is an embodiment of this ideal.

Roger Federer's favourite sweater for all seasons.
Merino sweater is Uniqlo Global Brand Ambassador Roger Federer's favourite for many reasons. It can be used for a variety of occasions in any season, such as staying warm from fall to spring and taking it with him on evening walks in the summer. Another reason is that they are lightweight, wrinkle-resistant, and machine-washable for his travels around the world. "I used to dress it up with a collared shirt underneath, but lately I've been wearing it with a T-shirt and jeans for a casual look, or under an evening jacket with dress pants." he says.


Product stories
Still beautiful after 15 washings.
Natural materials can be tough to care for. That's why we're updating the conventional wisdom. We've given the wool special nonshrink and anti-pilling treatments while retaining the delicate texture. We tried machine washing it 15 times*, and you can see the result in the photo. There's no noticeable pilling or fuzz. It looks so good, you can hardly tell which one has been washed 15 times.
*Testing used a Type C (pulsator) washing machine at the Kaken Test Center following the JIS L1930 testing method.
*Ironed after washing.



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