RoToTo Double Face Merino Pile R1632 — a sock built like footwear, at ¥3,300

RoToTo Double Face Merino Pile socks R1632, charcoal — photo: RoToTo

Photo: RoToTo

A sock knitted on century-old machines in Nara — merino pile inside, a cotton-wrapped skin outside, built to be worn for years.

Verdict

What it is RoToTo Double Face Merino Pile socks, R1632 — merino pile with a cotton-covered surface, nylon-reinforced toe, heel and sole
Price ¥3,300 incl. tax — RoToTo’s own store, checked Mon Nov 2, 2026
Availability Listed on the maker’s own store at check, in sizes S / M / L across five colourways
The angle Koryo, in Nara, has made socks since 1910 — and RoToTo still knits there on low-gauge machines nobody manufactures anymore
Verdict Construction aimed at a consumable’s weak points: friction, toe, heel, sole. A consumable you can love for a lifetime — their words, earned.

What it is

Koryo, in Nara, has made socks since 1910 — and RoToTo still knits there on century-old low-gauge machines. They run slow and loose, and the texture can’t be rushed. Nobody makes the machines anymore, so the factory keeps them alive. The Double Face takes an outdoor and trekking sock as its design source and re-fits it for daily wear: merino wool pile for warmth and cushion, knitted so the surface is covered in cotton — the maker’s answer to wool’s known weakness against friction.

The reinforcement is placed where socks actually fail. Nylon yarn runs through the toe, heel and sole panels — visible on the charcoal colourway as the contrast toe cap, heel and sole — so the merino pile is not the first thing the shoe rubs through. The result reads less like apparel and more like equipment: each material is where its property is needed.

Why it matters

Socks are the most replaced item in a wardrobe, usually because they are built as one material doing every job. The Double Face splits the jobs: pile for insulation, cotton skin for abrasion, nylon at the strike points. It is also a record of a production method that survives only because one factory maintains machines no longer made. At ¥3,300 it is a regular line, not a collaboration — the Spotted lane for apparel exactly: construction as the design, at an everyday price.

Specs

Brand RoToTo (Koryo, Nara, Japan)
Model Double Face Merino Pile Socks, R1632
Construction Merino wool pile; surface knitted with a cotton covering for durability (per maker)
Reinforcement Nylon yarn at toe, heel and sole (per maker)
Design source Outdoor and trekking socks, re-fitted for daily wear (per maker)
Sizes S (23–25cm), M (25–27cm), L (27–29cm) (per maker)
Colourways Five listed on the maker’s store, incl. charcoal (per maker)
Care Do not tumble dry — shrinkage (per maker)

What to check before buying

  • Size by foot length, not shoe size. The maker lists centimetre ranges: S 23–25, M 25–27, L 27–29. A pile sock also takes room inside the shoe — allow for the loft.
  • Pile is warmth. This is a cold-season weight, built from a trekking brief. In a slim shoe or a warm climate it is the wrong tool.
  • No tumble dryer. The maker states it plainly: drying causes shrinkage. Line-dry is part of the ownership cost.
  • Ordering is from Japan. Price is yen incl. tax on the maker’s store; shipping is calculated at checkout on the store’s terms.

Price record

Price ¥3,300 incl. tax
Source RoToTo’s own store (rototo.jp), checked Mon Nov 2, 2026 — listed at check in S / M / L across five colourways
Featured on our Instagram Mon Nov 2, 2026 — Spotted

Want one?

  1. In the shop: browse current stock — one-off pieces, and they turn over fast.
  2. Hunting one? Join the Want List — tell us the maker and the budget; pieces like this surface in our trawl most weeks.
  3. This one: at the source — See it at RoToTo. Not our listing. See Disclosure.

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Spotted, not sold by us — this piece lives at RoToTo. Prices are a snapshot from when we spotted it. Disclosure

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