M's Creations　by Masatonia　エムズクリエーションズ

　 M's Creations　by Masatonia　エムズクリエーションズ

Welcome to Your Unique Design Shop!

Custom T-shirts USA

Unique Apparel Online Shop

High-Quality Custom Clothing

Personalized T-shirts and Sweatshirts

One-of-a-Kind Designs for Fashion Lovers

Global Shipping for Custom Apparel

Custom-Designed Clothing for Every Style

🎌 From a Samurai Creator in Japan, to the World.

Masatonia is a small art-inspired fashion brand born in Japan and reaching out to the world.Instead of wielding a sword, the creator wields a pen — crafting each design through quiet, thoughtful moments.More than just clothing, each piece is a tool for self-expression.

👕 Made from 100% high-quality organic cotton.

We carefully select premium materials, even if they cost more.This means no "too thin," no sagging collars, and no disposable feel.Each piece is made to be worn and loved for a long time —and despite the quality, we offer them at surprisingly reasonable prices.

🎨 Designs with depth — never rushed, never compromised.

Every design is crafted by a single Samurai Creator.We prioritize meaningful expression over mass efficiency,pouring time and care into everything — from the first sketch to the final details. As a result, each piece stands out — sometimes cute, sometimes cool, sometimes a little quirky —but always with a unique personality you won’t find in mass production.

🆕 Founded in 2025 — but backed by years of experience.

Masatonia is a new brand, but the creator has spent years designing for major luxury fashion houses.It all started with T-shirts made for personal use and close friends —but the passion grew to share this work with the world.

👀 If you’re unsure, trust the piece that catches your eye.

That moment of hesitation might just mean your heart has already chosen.Thank you for finding us.To you — someone who stopped to look at the work of a small brand — we send our deepest gratitude.

New arrivals

Displayed in order of newest arrivals

TS-031 / Youth classic tee Masatonia

TS-031 / Youth classic tee Masatonia

Regular price ¥3,900 JPY

Regular price Sale price ¥3,900 JPY
Unit price per
T-241-E /Unisex organic cotton t-shirt

T-241-E /Unisex organic cotton t-shirt

Regular price From ¥4,500 JPY

Regular price Sale price From ¥4,500 JPY
Unit price per
TS-030 / Youth classic tee Masatonia

TS-030 / Youth classic tee Masatonia

Regular price ¥3,900 JPY

Regular price Sale price ¥3,900 JPY
Unit price per
TS-029 / Youth classic tee Masatonia

TS-029 / Youth classic tee Masatonia

Regular price ¥3,900 JPY

Regular price Sale price ¥3,900 JPY
Unit price per

1 4

Viewing by Types of Items

T-shirt / Basic Modern Fit
【T-shirt / Basic Modern Fit Size Chart & Size Guide】📦 Shipping from:...

T-shirt / Basic Modern Fit
T-shirt / European Fashion Fit
【T-shirt / European Fashion Fit Size Chart & Size Guide】📦 Shipping from:...

T-shirt / European Fashion Fit
T-shirt / Oversized Garment-Dyed
【T-shirt / Oversized Garment-Dyed Size Chart & Size Guide】 📦 Ships from...

T-shirt / Oversized Garment-Dyed
T-shirt / Compact Classic Fit
【T-shirt / Compact Classic Fit　Size Chart & Size Guide】 📏 Please note...

T-shirt / Compact Classic Fit
Ladies' Tops

Ladies' Tops
Back print

Back print
Long sleeve T-shirt

Long sleeve T-shirt
GOLF

GOLF
Polo-shirt

Polo-shirt

Viewing by Types of Items

Viewing by Types of Items

design category

Viewing by Types of Design

"Other designs"

https://masatonia.net/collections/other-designs

Dirty Honey

https://masatonia.net/collections/dirty-honey

"Japanese"

https://masatonia.net/collections/japan

Love Generation

https://masatonia.net/collections/love-generation

”JOKE BUNNY"

https://masatonia.net/collections/bunny

"MAGICIAN'S CAT"

https://masatonia.net/collections/magicians-cat

"Skull"

https://masatonia.net/collections/skullSkull

"BIG BOSS"

https://masatonia.net/collections/big-boss

"ARMY MAD COMPANY"

https://masatonia.net/collections/army

"USA"

https://masatonia.net/collections/usa

"Shadow Moon"

https://masatonia.net/collections/shadow-moon

"Black Sun"

https://masatonia.net/collections/black-sun

"Cat"

https://masatonia.net/collections/cat

"Christmas"

https://masatonia.net/collections/christmas

"Halloween"

https://masatonia.net/collections/halloween

"Imaginary Creature"

https://masatonia.net/collections/monster

TAKORA

https://masatonia.net/collections/takora

"Cyber"

https://masatonia.net/collections/cyber-punk