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ichinichi studio

: ichinichi studio: The Architectural Foundation & Master Archive

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Beeper | No. 364, Unisex Long Sleeve T-Shirt
A marker illustration of a classic pager beeper in black and grey, centered on a Long Sleeve T-Shirt.
Person sitting at a table with a coffee cup in a room with vintage audio equipment.
Beeper | No. 364
Unisex Long Sleeve T-Shirt $40.00
Beeper | No. 364, Unisex T-Shirt
A marker illustration of a classic pager beeper in black and grey, centered on a Short Sleeve T-Shirt.
Man holding a coffee cup in a cozy bar setting with neon signs and vintage decor.
Beeper | No. 364
Unisex T-Shirt $35.00
Bad Ideas | No. 363, Youth T-Shirt
Youth T-Shirt featuring a smudged charcoal sketch exploring the concept of Bad Ideas.
Person sitting on a bench in a park with city skyline in the background
Bad Ideas | No. 363
Youth T-Shirt $30.00
Bad Ideas | No. 363, Unisex Pullover Hoodie
Textured charcoal artwork with smudges and expressive strokes on a Pullover Hoodie.
Person wearing a hoodie with 'BAD IDEAS' text, leaning against a wall in an urban setting.
Bad Ideas | No. 363
Unisex Pullover Hoodie $65.00
Bad Ideas | No. 363, Unisex Long Sleeve T-Shirt
Raw charcoal sketch with smudged textures and artistic charcoal dust on a Long Sleeve T-Shirt.
Man wearing a gray jacket and black pants standing in a room with concrete walls and a window.
Bad Ideas | No. 363
Unisex Long Sleeve T-Shirt $40.00
Bad Ideas | No. 363, Unisex T-Shirt
Charcoal sketch illustration with heavy smudging and textural charcoal marks on a Short Sleeve T-Shirt.
Person wearing a 'Bad Ideas' shirt standing in front of colorful murals.
Bad Ideas | No. 363
Unisex T-Shirt $35.00
Warmth Of Home | No. 362, Youth T-Shirt
Child-sized t-shirt featuring a marker illustration of apple pie with a scoop of vanilla ice cream.
Person sitting on a wooden floor in a room with a tatami mat floor and a window.
Warmth Of Home | No. 362
Youth T-Shirt $30.00
Warmth Of Home | No. 362, Unisex Pullover Hoodie
Graphic marker illustration of a warm apple pie slice and vanilla ice cream on a Pullover Hoodie.
Man in a kitchen wearing a maroon hoodie with a dessert graphic, surrounded by cooking utensils.
Warmth Of Home | No. 362
Unisex Pullover Hoodie $65.00
Warmth Of Home | No. 362, Unisex Long Sleeve T-Shirt
Vibrant marker drawing of apple pie and ice cream on a plate, printed on a Long Sleeve T-Shirt.
Woman wearing a maroon sweatshirt with a pie design in a bakery.
Warmth Of Home | No. 362
Unisex Long Sleeve T-Shirt $40.00
Warmth Of Home | No. 362, Unisex T-Shirt
Marker illustration of a slice of apple pie with melting vanilla ice cream on a plate, centered on a Short Sleeve T-Shirt.
Woman wearing a red t-shirt with a pie design in a casual setting
Warmth Of Home | No. 362
Unisex T-Shirt $35.00
The Measure | No. 361, Youth T-Shirt
Yellow and black tape measure graphic in a hand-drawn ink style on a Youth T-Shirt.
A close-up lifestyle photograph of a Kenyan boy wearing a charcoal gray heather Ichinichi youth staple tee with a detailed yellow tape measure graphic. He stands in a sunlit wood workshop surrounded by raw plywood.
The Measure | No. 361
Youth T-Shirt $30.00
The Measure | No. 361, Unisex Pullover Hoodie
Detailed cross-hatch tape measure illustration with yellow and red accents on a Pullover Hoodie.
A close-up lifestyle photograph of a Puerto Rican male model in his 30s wears a black hoodie featuring a yellow tape measure graphic, leaning against a brutalist concrete wall in a high-fashion Miami gallery.
The Measure | No. 361
Unisex Pullover Hoodie $65.00
The Measure | No. 361, Unisex Long Sleeve T-Shirt
Minimalist yellow tape measure graphic in cross-hatch ink style on a Long Sleeve T-Shirt.
A British woman in her 30s with a modern urban look wears a charcoal grey long-sleeve Ichinichi t-shirt featuring a yellow tape measure graphic. She stands confidently on rough concrete at a London construction site under diffused daylight.
The Measure | No. 361
Unisex Long Sleeve T-Shirt $40.00
The Measure | No. 361, Unisex T-Shirt
Cross-hatch ink illustration of a yellow contractor's tape measure with tape extended on a Short Sleeve T-Shirt.
A close-up lifestyle photograph captures a 50s Afro-Brazilian woman leatherworker wearing a charcoal gray Ichinichi t-shirt with a detailed yellow tape measure graphic, leaning over a cluttered workbench in her workshop, with soft diffused daylight highlighting the scene.
The Measure | No. 361
Unisex T-Shirt $35.00
The Matriarch | No. 360, Youth T-Shirt
Detailed red ant queen graphic in stippling style on a Youth T-Shirt.
Person wearing a t-shirt with a graphic design in a greenhouse setting
The Matriarch | No. 360
Youth T-Shirt $30.00
The Matriarch | No. 360, Unisex Pullover Hoodie
Queen ant stippling design featuring armored textures on a Pullover Hoodie.
Man wearing a gray hoodie with an ant design in a gallery setting
The Matriarch | No. 360
Unisex Pullover Hoodie $65.00
The Matriarch | No. 360, Unisex Long Sleeve T-Shirt
Intricate stippled queen ant graphic centered on a Long Sleeve T-Shirt.
Woman standing in an arcade with colorful neon lights and gaming machines.
The Matriarch | No. 360
Unisex Long Sleeve T-Shirt $40.00
The Matriarch | No. 360, Unisex T-Shirt
Detailed stippling illustration of a queen red ant with transparent wings on a Short Sleeve T-Shirt.
Man standing in front of shipping containers with cranes in the background
The Matriarch | No. 360
Unisex T-Shirt $35.00
Neko ni Koban | No. 359, Youth T-Shirt
Youth T-Shirt featuring a golden cat and coin calligraphy design.
Person wearing a black t-shirt with a logo in an industrial setting
Neko ni Koban | No. 359
Youth T-Shirt $30.00
Neko ni Koban | No. 359, Unisex Pullover Hoodie
Feline and koban coin golden brushstroke artwork on a Pullover Hoodie.
Person wearing a black hoodie with a logo on a rooftop with a cityscape in the background
Neko ni Koban | No. 359
Unisex Pullover Hoodie $65.00
Neko ni Koban | No. 359, Unisex Long Sleeve T-Shirt
Minimalist cat and gold coin calligraphy graphic in gold ink on a Long Sleeve T-Shirt.
Person wearing a black sweatshirt with a graphic design in front of colorful graffiti art.
Neko ni Koban | No. 359
Unisex Long Sleeve T-Shirt $40.00
Neko ni Koban | No. 359, Unisex T-Shirt
Japanese calligraphy brush illustration of a cat with a gold coin in yellowish gold ink on a Short Sleeve T-Shirt.
Man wearing a black t-shirt with a yellow graphic design standing against a modern building exterior.
Neko ni Koban | No. 359
Unisex T-Shirt $35.00
Analog Motion | No. 358, Youth T-Shirt
A horizontal vintage hand-mixer illustrated in 1970s colored pencil style on a Youth T-Shirt.
Young boy interacting with mechanical exhibits in a museum setting
Analog Motion | No. 358
Youth T-Shirt $30.00
Analog Motion | No. 358, Unisex Pullover Hoodie
Artistic cross-hatch colored pencil rendering of a vintage manual mixer in muted tones on a Pullover Hoodie.
Man wearing a green hoodie with a logo in an industrial setting
Analog Motion | No. 358
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.

How It Works

ONE DESIGN DAILY

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

GLOBAL FREE SHIPPING

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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