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Traditional Japanese Craft Meets High-Tech Materials in the Finest Daypack I’ve Ever Seen

As an outdoor editor, I’ve written about countless backpacks — but this is truly one of the most unique designs I’ve ever encountered.

Brown suede rectangular patch with white stitching and embossed text "roimla Cowology" on dark blue fabric with white dots.Carryology
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By Hayley Helms

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When you’ve been writing about and testing backpacks for as long as I have, they start to blur together.

Even in EDC — a category that prides itself on inventive construction and advanced materials — patterns emerge after a decade spent analyzing pocket layouts, organization systems, fabrics, straps, back panels and more.

Brown and olive green backpack with padded straps on a red felt surface against a wooden wall.
Don’t let its minimal aesthetic fool you — this is one of the most bespoke packs you’ll ever come across.
Carryology

Every once in a while, though, a true standout appears. This ultra-bespoke collaboration from Carryology is one of them.

It’s among the most distinctive daypacks I’ve ever encountered, defined by an uncommon combo of Japanese craftsmanship, unconventional materials and thoughtful, hand-built construction.

Today and tomorrow

Japanese maker Rofmia embraces a minimalist approach, drawing on ancestral sewing influences and the simplicity of Japanese rooms.

In their new collaboration, Rofmia’s poetic philosophy was applied to Carryology’s Daypack V2 L, which strikes a balance between work and everyday utility.

Two leather backpacks, one brown and one black, standing upright on a red surface against a wooden wall.
Two of the three available color options, which are: Khaki × Black × Navy, Navy × Black × Black and Brown × Black × Navy.
Carryology

The Carryology x Rofmia Daypack was inspired by rural Japanese huts, built from whatever materials are available.

In the same vein, Rofmia’s artisanal duo — founders Futoshi and Hiroko Takeuchi — used leftover materials from factories to construct the daypacks.

Brown leather backpack with black base and zipper standing on a red carpeted floor against a wooden wall.
The leather may look old-school, but it is a very modern Dyneema composite that blends traditional style with today’s performance capabilities.
Carryology

These modern materials include brown and khaki smooth Dyneema leather, combined with black Dyneema nubuck and navy Dyneema smooth leather — all rescued from Japanese warehouses.

Black leather backpack with multiple zippers standing upright on a red carpeted floor against a wooden wall.
Angled side pockets, using YKK zippers, make access easier.
Carryology

The joint effort bag is the first-ever Carryology collaboration that uses the ground-breaking composite material; these bags use ECCO’s FSDX Dyneema Leather, where the world’s strongest fiber is bonded to 0.4mm-0.6mm cowhide leather, making it lightweight, strong, and water-repellent.

Modern nostalgia

In a pairing unlike any I’ve seen before, Rofmia combined the high-tech exterior Dyneema Leather material with an inner patchwork made of layered pieces of century-old Japanese boro workwear, which appears on the inner panel of the bag.

Each piece is hand-sewn, making the pattern combinations unique to each backpack.

Interior of a black backpack showing a navy blue fabric lining with small white patterns and two gray zippered pockets.
This Japanese boro material is over a century old, something I’ve never seen on a backpack before.
Carryology

Two horizontal pockets add organization to the main compartment, and top zipper pull is made from twisted boro fabric as well.

The lining in the rest of the pack and pockets is made with 100 percent polyester stretch fabric made in Japan, which is water-repellent, oil-repellent and stain-resistant.

Open brown backpack with black interior and a black smartphone partially tucked into an inner pocket.
The highly-technical lining complements the artisanal qualities of the bag.
Carryology

The collaboration adds two external side pockets to the standard Daypack V2 L blueprint, the result of feedback from the Carryology community.

Premium touches include YKK Excella, YKK’s highest-grade metal zipper, and a zipper pull crafted from black nubuck Dyneema leather (also rescued from scraps.) The daypack also features a removable luggage pass-through.

Close-up of a dark brown leather and fabric backpack with padded shoulder straps and a black plastic buckle.
The pass-through luggage strap can be removed, increasing the custom nature of the bag.
Carryology

Finally, inside the front external vertical pocket, there’s a red charm made from traditional Mikawa cotton fabric.

That fabric was woven on old-fashioned looms, and because there are no artisans these days who can operate them, this textile is extinct, adding to the rarity of the backpack.

Close-up of a partially open dark brown leather bag showing a black fabric interior with a zipper and red drawstrings inside.
The hidden red charm, made of an extinct textile, is a charm against evil spirits.
Carryology

Futoshi and Hiroko Takeuchi are the only two people who construct their wares, and as a result, only 16 of these daypacks exist — and the only way to acquire one is to have luck on your side.

Availability and pricing

A lottery will be held for those interested in purchasing the Carryology x Rofmia Daypack; it will be held from 12 AM on December 20th to 11:59 PM on December 22nd, Tokyo time (14 hours ahead of the US’s east coast time.)

Entries can be submitted through a page on Rofmia’s online store, with one application per color allowed after registering as a Rofmia member, and winners will be notified on Tuesday, December 23rd.

To ensure fairness, payment information is collected and authorized at entry, then finalized for winners and canceled for non-winners once results are announced.

Each bag retails for ¥260,000, or $1,650 USD.

About the Author: Hayley Helms is an associate editor at Gear Patrol specializing in outdoor gear. Once upon a time, she wrote for Men’s Journal, Gearjunkie and Shape. Whether it’s testing a new rain shell or putting a pair of hiking boots through its paces, she leaves no stone unturned (however, she always Leaves No Trace).

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