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ichinichi studio

: ichinichi studio: The Architectural Foundation & Master Archive

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The Rusted Halt | No. 402, Unisex Pullover Hoodie
Gritty cross-hatch illustration of a rusted octagonal stop sign, Pullover Hoodie.
Man in a black hoodie with 'STOP' logo standing in an art gallery with sculptures.
The Rusted Halt | No. 402
Unisex Pullover Hoodie $65.00
The Rusted Halt | No. 402, Unisex Long Sleeve T-Shirt
Detailed ink drawing of a rusted stop sign with heavy cross-hatching, Long Sleeve T-Shirt.
Man wearing a gray long-sleeve shirt with 'STOP' printed on it, standing in an industrial setting.
The Rusted Halt | No. 402
Unisex Long Sleeve T-Shirt $40.00
The Rusted Halt | No. 402, Unisex T-Shirt
A cross-hatch ink illustration of a weathered, rusted red stop sign with white text, Short Sleeve T-Shirt.
Woman standing in a bustling city street at night with bright neon signs.
The Rusted Halt | No. 402
Unisex T-Shirt $35.00
Cootie Shot | No. 401, Eco Tote Bag
Geometric orange and purple brush-stroke vertical stack design on a sustainable Eco Tote Bag.
Woman holding a beige tote bag with text in an indoor setting
Cootie Shot | No. 401
Eco Tote Bag $30.00
Cootie Shot | No. 401, Youth T-Shirt
Vibrant orange and purple vertical stack of circles and dots in a paint brush style on a Youth T-Shirt.
Person wearing a beige t-shirt with colorful design, standing in a futuristic indoor setting with blue and purple lighting.
Cootie Shot | No. 401
Youth T-Shirt $30.00
Cootie Shot | No. 401, Unisex Pullover Hoodie
Minimalist orange and purple brush-stroke vertical stack graphic on a Pullover Hoodie.
Man wearing a white hoodie with colorful abstract mural in the background
Cootie Shot | No. 401
Unisex Pullover Hoodie $65.00
Cootie Shot | No. 401, Unisex Long Sleeve T-Shirt
Graphic vertical stack of orange circles and purple paint-stroke dots on a Long Sleeve T-Shirt.
Person wearing a white sweatshirt with colorful design in an urban setting
Cootie Shot | No. 401
Unisex Long Sleeve T-Shirt $40.00
Cootie Shot | No. 401, Unisex T-Shirt
Vertical stack of two orange circles and two purple dots in a paint brush style on a Short Sleeve T-Shirt.
Man wearing a white t-shirt with colorful circles in an urban setting with cherry blossoms.
Cootie Shot | No. 401
Unisex T-Shirt $35.00
20 Squared | No. 400, Eco Tote Bag
Minimalist 20 squared brush stroke illustration on an Eco-friendly Tote Bag.
Woman holding a beige tote bag with '202' design, standing in front of modern glass architecture.
20 Squared | No. 400
Eco Tote Bag $30.00
20 Squared | No. 400, Youth T-Shirt
Simple red and black 20 squared math graphic on a Youth Short Sleeve T-Shirt.
Person holding a skateboard in front of a graffiti-covered wall
20 Squared | No. 400
Youth T-Shirt $30.00
20 Squared | No. 400, Unisex Pullover Hoodie
Minimalist brush stroke equation for 400 featured on a heavy-weight Pullover Hoodie.
Person wearing a gray hoodie with '20²' design, standing against a graffiti-covered wall in an urban setting.
20 Squared | No. 400
Unisex Pullover Hoodie $65.00
20 Squared | No. 400, Unisex Long Sleeve T-Shirt
Architectural 20 squared mathematical graphic in red and black on a Long Sleeve T-Shirt.
Woman wearing a gray sweatshirt with '2021' printed on it, standing on a cobblestone street.
20 Squared | No. 400
Unisex Long Sleeve T-Shirt $40.00
20 Squared | No. 400, Unisex T-Shirt
Minimalist mathematical equation 20 squared in black and red brush strokes on a Short Sleeve T-Shirt.
Man wearing a white t-shirt with '20²' design standing against a building.
20 Squared | No. 400
Unisex T-Shirt $35.00
The Tethered Current | No. 399, Eco Tote Bag
Expressive ink wash illustration of a wall-mounted car charger with coiled cable on an Eco Tote Bag.
Woman holding a tote bag
The Tethered Current | No. 399
Eco Tote Bag $30.00
The Tethered Current | No. 399, Youth T-Shirt
Expressive ink wash illustration of a wall-mounted car charger with coiled cable on a Youth T-Shirt.
Person standing in a busy urban street with neon signs and pedestrians in the background
The Tethered Current | No. 399
Youth T-Shirt $30.00
The Tethered Current | No. 399, Unisex Pullover Hoodie
Expressive ink wash illustration of a wall-mounted car charger with coiled cable on a Pullover Hoodie.
Person wearing a gray hoodie with a design in an urban night setting
The Tethered Current | No. 399
Unisex Pullover Hoodie $65.00
The Tethered Current | No. 399, Unisex Long Sleeve T-Shirt
Expressive ink wash illustration of a wall-mounted car charger with coiled cable on a Long Sleeve T-Shirt.
Man wearing a teal long-sleeve shirt with a logo, standing in an urban alleyway.
The Tethered Current | No. 399
Unisex Long Sleeve T-Shirt $40.00
The Tethered Current | No. 399, Unisex T-Shirt
Expressive ink wash illustration of a wall-mounted car charger with coiled cable on a Short Sleeve T-Shirt.
Woman wearing a light blue t-shirt with a logo, standing outdoors near parked cars.
The Tethered Current | No. 399
Unisex T-Shirt $35.00
The Ritual | No. 398, Eco Tote Bag
Minimalist black line drawing of a hairdresser and patron silhouette on an Eco Tote Bag.
Man holding a tote bag in an art gallery with other visitors in the background
The Ritual | No. 398
Eco Tote Bag $30.00
The Ritual | No. 398, Youth T-Shirt
Minimalist black line drawing of a hairdresser and patron silhouette on a Youth T-Shirt.
Person standing on a street corner in Shoreditch, London, wearing a pink t-shirt and green pants.
The Ritual | No. 398
Youth T-Shirt $30.00
The Ritual | No. 398, Unisex Pullover Hoodie
Minimalist black line drawing of a hairdresser and patron silhouette on a Pullover Hoodie.
Women wearing a pink hoodie
The Ritual | No. 398
Unisex Pullover Hoodie $65.00
The Ritual | No. 398, Unisex Long Sleeve T-Shirt
Minimalist black line drawing of a hairdresser and patron silhouette on a Long Sleeve T-Shirt.
Man in a pink shirt trimming a bonsai tree outdoors.
The Ritual | No. 398
Unisex Long Sleeve T-Shirt $40.00
The Ritual | No. 398, Unisex T-Shirt
Minimalist black line drawing of a hairdresser and patron silhouette on a Short Sleeve T-Shirt.
Woman wearing a pink tshirt
The Ritual | No. 398
Unisex T-Shirt $35.00
I Want To Leave | No. 397, Eco Tote Bag
Eco Tote Bag with high-contrast lime and teal paint surges and "i want to leave!" text.
Woman walking on a sidewalk with a tote bag in an urban setting
I Want To Leave | No. 397
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.

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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