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ichinichi studio

: ichinichi studio: The Architectural Foundation & Master Archive

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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
Evergreen Drift | No. 380, Youth T-Shirt
Bright green marker-style pine tree graphic with text on a Youth Short Sleeve T-Shirt.
Person wearing a green t-shirt with a graphic design in a modern indoor setting
Evergreen Drift | No. 380
Youth T-Shirt $30.00
Evergreen Drift | No. 380, Unisex T-Shirt
Bold marker illustration of a pine air freshener with "New Car Smell" text on a Short Sleeve T-Shirt.
Person standing in front of a colorful mural on a city street
Evergreen Drift | No. 380
Unisex T-Shirt $35.00
Evergreen Drift | No. 380, Unisex Long Sleeve T-Shirt
Forest green and brown marker art of an air freshener with typography on a Long Sleeve T-Shirt.
Woman wearing a green sweatshirt with a tree graphic inside a car.
Evergreen Drift | No. 380
Unisex Long Sleeve T-Shirt $40.00
Iron Discipline | No. 379, Eco Tote Bag
Kettlebell pencil illustration with yellow handle printed on a natural Eco Tote Bag.
Man holding a tote bag with a kettlebell design under a bridge.
Iron Discipline | No. 379
Eco Tote Bag $30.00
Iron Discipline | No. 379, Youth T-Shirt
Detailed pencil sketch of a kettlebell with yellow grip on a soft Youth T-Shirt.
Person wearing a black t-shirt with a kettlebell graphic on a Venice Beach boardwalk.
Iron Discipline | No. 379
Youth T-Shirt $30.00
Iron Discipline | No. 379, Unisex Pullover Hoodie
Raw pencil sketch of a kettlebell with yellow accents on a premium Pullover Hoodie.
Person standing in a graffiti-covered urban area with colorful lights
Iron Discipline | No. 379
Unisex Pullover Hoodie $65.00
Iron Discipline | No. 379, Unisex Long Sleeve T-Shirt
Hand-drawn kettlebell with yellow grip and carved numbers on a Long Sleeve T-Shirt.
Man wearing a gray long-sleeve shirt with a kettlebell design in a gym setting
Iron Discipline | No. 379
Unisex Long Sleeve T-Shirt $40.00
Iron Discipline | No. 379, Unisex T-Shirt
Textured cross-hatch pencil sketch of a kettlebell with yellow handle on a Short Sleeve T-Shirt.
Man wearing a t-shirt with a kettlebell design in an industrial setting
Iron Discipline | No. 379
Unisex T-Shirt $35.00
Sweet Paradox | No. 378, Eco Tote Bag
Minimalist marker illustration of a bird's eye view pizza with pineapple rings on an Eco Tote Bag.
Woman holding a tote bag with a design in an urban setting
Sweet Paradox | No. 378
Eco Tote Bag $30.00
Sweet Paradox | No. 378, Youth T-Shirt
Minimalist marker illustration of a bird's eye view pizza with pineapple rings on a Youth T-Shirt.
Person standing next to a Pac-Man arcade machine in an arcade setting with neon lights.
Sweet Paradox | No. 378
Youth T-Shirt $30.00
Sweet Paradox | No. 378, Unisex Pullover Hoodie
Minimalist marker illustration of a bird's eye view pizza with pineapple rings on a Pullover Hoodie.
Man sitting in a cozy room holding a mug, wearing a hoodie with a pizza design.
Sweet Paradox | No. 378
Unisex Pullover Hoodie $65.00

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.

Tomorrow's Concept

ichinichi means one day. We release one piece of wearable art every 24 hours. Enter your email to see it first.

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