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RoToTo Double Face Socks – Charcoal

Inspired by hearty mountain climbing socks, RoToTo Double Face Socks socks are thick, tough but super-comfortable and feel more like a sweatshirt than your average pair of socks. They come with a merino wool outer and looped-back organic cotton inner.

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SKU: 4056 Categories: , Brand:

The story of RoToTo Double Face Socks

Inspired by hearty mountain climbing socks, RoToTo Double Face Socks socks are thick, comfortable and feel more like a sweatshirt than your average pair of socks. The double-layered “Double Face” design, is a process that allows for different materials to be knitted on the outside and the inside of the sock to utilise different thread properties. Using this production technique, merino wool on the outside and thick looped-back organic undyed cotton on the inside creates a comfortable texture and gives the joy of organic cotton against your skin.

We’ve been wearing Double Face socks from RoToTo for a couple of years and have tested them during countless winter hikes in the Northumberland and Lake District hills. They’re exceptionally comfortable and, even with frequent all-day wear in tough, heavy hiking boots, they look as good as they did brand new. The merino wool outer gives protection from moisture and the organic cotton inside keeps your feet warm and comfortable even in the harshest of conditions.

Key Features

  • 80% cotton, 15% wool, 5% polyester construction
  • “Double Face” fabric with a merino wool outer and undyed organic cotton inner
  • Exceptionally tough but super soft
  • Inspired by the finest hiking socks
  • Knitted on vintage machines
  • Made in Japan

Medium, Large






RoToTo socks are manufactured in the Nara Prefecture, Hiroyu, Japan using vintage knitting machines brought to Japan from the USA in the early 1900s. Avoiding mass production, they support skilled craftsmen and women who operate these machines manually and have developed a deep knowledge of their materials and manufacturing processes. Made with comfort and functionality in mind, the Baja Cali socks are designed to be “lifelong consumables”, to be worn hard and to take whatever you throw at them.


RoToTo socks come in two sizes, Medium and Large. As a guide we recommend choosing your size based on your UK shoe size.

  • UK7-9: Medium
  • UK10-12: Large

Shipping & Returns

We want shopping with Those That Know to be easy. To make sure you’re completely satisfied with your experience with us we have a simple Shipping & Returns process.


We use Royal Mail to ship orders. We charge a flat rate shipping cost per order based on your location. This is:

  • UK – £3.55 (Delivery in 48 hours)
  • Europe – £4.80 (Delivery in 3-5 working days)
  • Rest of World – from £6.50 (Delivery in 6-7 working days)

You can find out more about our shipping methods and international zones on our shipping page.


We’re happy to accept return or exchange of orders in new and unworn condition with original packaging within 14 days of receipt. To return your order, please contact us first on [email protected].

For more information about the process, see our returns page.