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ichinichi studio

: ichinichi studio: The Architectural Foundation & Master Archive

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The Overflow | No. 385, Unisex Pullover Hoodie
Modern marker illustration of a messy root beer float overflowing from a beer mug on a Pullover Hoodie.
Man wearing a black hoodie with a graphic design standing against a brick wall with graffiti.
The Overflow | No. 385
Unisex Pullover Hoodie $65.00
The Overflow | No. 385, Unisex Long Sleeve T-Shirt
Modern marker illustration of a messy root beer float overflowing from a beer mug on a Long Sleeve T-Shirt.
Person sitting on a bench in a park with a pond and trees in the background
The Overflow | No. 385
Unisex Long Sleeve T-Shirt $40.00
The Overflow | No. 385, Unisex T-Shirt
Modern marker illustration of a messy root beer float overflowing from a beer mug on a Short Sleeve T-Shirt.
Man wearing a brown t-shirt with a graphic design of a beer mug against a graffiti-covered wall.
The Overflow | No. 385
Unisex T-Shirt $35.00
The Essential Tool | No. 384, Eco Tote Bag
Minimalist clean paint brush illustration of a plunger on an Eco Tote Bag.
A man at night holding a tote bag with a toilet plunger drawing.
The Essential Tool | No. 384
Eco Tote Bag $30.00
The Essential Tool | No. 384, Youth T-Shirt
Clean paint brush illustration of a plunger on a Youth T-Shirt.
Person standing on a pier with a Ferris wheel and ocean view
The Essential Tool | No. 384
Youth T-Shirt $30.00
The Essential Tool | No. 384, Unisex Pullover Hoodie
Minimalist clean paint brush illustration of a red plunger on a Pullover Hoodie.
Person leaning against a graffiti-covered wall with neon lights in an urban setting
The Essential Tool | No. 384
Unisex Pullover Hoodie $65.00
The Essential Tool | No. 384, Unisex Long Sleeve T-Shirt
Minimalist clean paint brush illustration of a household plunger on a Long Sleeve T-Shirt.
Person wearing a long-sleeve shirt with a graphic design in an urban setting
The Essential Tool | No. 384
Unisex Long Sleeve T-Shirt $40.00
The Essential Tool | No. 384, Unisex T-Shirt
A minimalist clean paint brush illustration of a red and wood plunger on a Short Sleeve T-Shirt.
Woman standing in a narrow street with traditional Japanese signs and lanterns.
The Essential Tool | No. 384
Unisex T-Shirt $35.00
L Heritage | No. 383, Eco Tote Bag
Detailed cross-hatch ink illustration of a vintage French Franc coin reverse side on an Eco Tote Bag.
Man holding a beige tote bag outdoors with greenery in the background
L Heritage | No. 383
Eco Tote Bag $30.00
L Heritage | No. 383, Youth T-Shirt
Detailed cross-hatch ink illustration of a vintage French Franc coin reverse side on a Youth T-Shirt.
Person standing on a bridge with urban skyline in the background
L Heritage | No. 383
Youth T-Shirt $30.00
L Heritage | No. 383, Unisex Pullover Hoodie
Detailed cross-hatch ink illustration of a vintage French Franc coin reverse side on a Pullover Hoodie.
Person standing in a neon-lit alleyway with illuminated signs in a cityscape
L Heritage | No. 383
Unisex Pullover Hoodie $65.00
L Heritage | No. 383, Unisex Long Sleeve T-Shirt
Detailed cross-hatch ink illustration of a vintage French Franc coin reverse side on a Long Sleeve T-Shirt.
Man standing on a city street with a bridge in the background
L Heritage | No. 383
Unisex Long Sleeve T-Shirt $40.00
L Heritage | No. 383, Unisex T-Shirt
Detailed cross-hatch ink illustration of a vintage French Franc coin reverse side on a Short Sleeve T-Shirt.
Person standing in a neon-lit street with people around
L Heritage | No. 383
Unisex T-Shirt $35.00
The Perfect Pour | No. 382, Eco Tote Bag
Blueprint graphic featuring Guinness and Pale Ale technical lines on an Eco Tote Bag.
Woman walking down a street holding a tote bag with a brand logo.
The Perfect Pour | No. 382
Eco Tote Bag $30.00
The Perfect Pour | No. 382, Unisex Pullover Hoodie
Architectural drafting style illustration of a Guinness pour on a Pullover Hoodie.
Man wearing a navy hoodie with a graphic design, standing against a modern building.
The Perfect Pour | No. 382
Unisex Pullover Hoodie $65.00
The Perfect Pour | No. 382, Unisex Long Sleeve T-Shirt
Technical blueprint graphic labeling Guinness and Pale Ale on a Long Sleeve T-Shirt.
Man wearing a blue sweatshirt with a graphic design, standing on a street in an urban setting.
The Perfect Pour | No. 382
Unisex Long Sleeve T-Shirt $40.00
The Perfect Pour | No. 382, Unisex T-Shirt
Hand-drawn architect blueprint of a Guinness and Base Pale Ale pour on a Short Sleeve T-Shirt.
Person standing in an urban alleyway with graffiti on walls
The Perfect Pour | No. 382
Unisex T-Shirt $35.00
The Hatchet | No. 381, Eco Tote Bag
A high-contrast cross-hatch hatchet design printed on an Eco Tote Bag.
Man holding a tote bag with an axe design in an industrial setting
The Hatchet | No. 381
Eco Tote Bag $30.00
The Hatchet | No. 381, Youth T-Shirt
A minimalist cross-hatch ink drawing of a hatchet on a Youth T-Shirt.
Person wearing a maroon t-shirt with an axe graphic in a neon-lit city street at night.
The Hatchet | No. 381
Youth T-Shirt $30.00
The Hatchet | No. 381, Unisex Pullover Hoodie
A bold cross-hatch graphic of a rustic hatchet centered on a Pullover Hoodie.
The Hatchet | No. 381, Unisex Pullover Hoodie
The Hatchet | No. 381
Unisex Pullover Hoodie $65.00
The Hatchet | No. 381, Unisex Long Sleeve T-Shirt
A detailed cross-hatch illustration of a vintage hatchet with wood grain texture on a Long Sleeve T-Shirt.
Woman wearing a pink sweatshirt with a graphic design in an urban alleyway.
The Hatchet | No. 381
Unisex Long Sleeve T-Shirt $40.00
The Hatchet | No. 381, Unisex T-Shirt
A cross-hatch ink illustration of a weathered hatchet with a rusted metal head and curved wood handle on a Short Sleeve T-Shirt.
Man wearing an orange t-shirt with a graphic design in a rustic setting
The Hatchet | No. 381
Unisex T-Shirt $35.00
Evergreen Drift | No. 380, Unisex Pullover Hoodie
Thick marker stroke pine tree air freshener design with text on a Pullover Hoodie.
Man wearing a green hoodie with a logo in an industrial setting
Evergreen Drift | No. 380
Unisex Pullover Hoodie $65.00
Evergreen Drift | No. 380, Eco Tote Bag
Product mockup
Person holding a tote bag with 'New Car Smell' text inside a car.
Evergreen Drift | No. 380
Eco Tote Bag $30.00

The architecture of a single day.

一日の設計。

Founded on the strict principles of Japanese minimalism and structural discipline, ichinichi studio is an ongoing study of the daily rotation. We do not chase seasonal shifts or temporary noise. Instead, we engineer permanent, uncompromising artifacts—garments and objects of utility designed with absolute visual weight, stark typography, and brutalist form. This is not a clothing brand; it is a master archive dedicated to the pure, physical manifestation of a single day.

How It Works

ONE DESIGN DAILY

A new numbered addition to our minimalist archive, released every 24 hours.

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We believe art has no borders. Enjoy $0 shipping to any destination, always.

BUILD YOUR ARCHIVE

Buy any 3 items and the 4th is on us. Calculated automatically at checkout.

THOUGHTFULLY MADE

Premium blanks, printed on demand to ensure lasting quality and zero waste.

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