UMMY ONE

High-end carbon fins
UMMY マスクストラップカバー 大人用 商品画像2

New Coral

Recommended set for beginners

KIDS Series

Mask & snorkel set

VISION
COMFORT
FREEDOM

Dive New Standard

UMMY FREEDIVING GEAR -Our store offers a wide selection of high-quality freediving gear designed for professional and recreational use.

Freediving Gear

New Coral

Beginners, start with this mask!

SAIKOO ICHIGAN MASK

UMMY ONE

The long-awaited carbon fins from UMMY are here!

Streamline

UMMY's best-selling mask, Streamline

Reef

A mask available in a wide range of 7 colors

UMMY Free Fitting

Free try-on service

Apparel

Autumn / Winter Collection

Venomous Beauty

S/S Collection

DIVE DEEP T-Shirts

One Point T-Shirts

Rash Guard

Easy Tank Top

Hot Items

UMMY × Mellow Wetsuit

CANDY

✅ Innovative, cute designer jerseys

✅ A huge range of 40 colors

✅ Superb softness and fit

✅ Reliable MADE IN JAPAN quality

✅ No charge for options and full custom orders

UMMer's Snap

Featuring UMMERs from all over Japan! Get inspiration for choosing your gear

UMMY One's Snap

Regularly updated photos of UMMY ONE, our much-talked-about carbon fins

Team UMMY

Our vision

Support Athlete

We support top freedivers competing on the world stage

Our environmental policy

We use simple packaging and do not include invoices, product tags, or instruction sheets in shipments

Media

Ocean+α -2025/6/2

A new freediving lifestyle brought to you by UMMY CLOTHING

Read article
Ocean+α -2023/1/6

A first in Japan! "UMMY," a D2C brand specializing in freediving gear

Read article

What makes UMMY special

A freediving gear brand from Japan

Freediving, skin diving, snorkeling, spearfishing — we plan and design gear in Japan for every kind of breath-hold diving. We deliver high-quality products quickly to 113 countries and regions.

Reliable customer service

At UMMY, we respond quickly and carefully to every inquiry, whether before or after your purchase. We also connect with customers through social media, flexibly creating products that reflect your feedback and the latest trends.

Free shipping on all products

All UMMY products ship free anywhere in Japan, including Okinawa and remote islands, so feel free to order even a single item. (Shipping charges apply for international orders.)

From skin diving and freediving to outdoor fashion. For everyone who loves the ocean

Focusing on skin diving and freediving, we share recommended spots in Okinawa and Tokyo, along with gear and fashion tips for enjoying the ocean.

We cover a wide range of topics, from how to choose fins, Long Springs, wetsuits, and swimwear, to styling tips for men and women and outfits that stand out in outdoor settings. You'll also find cute, Instagram-worthy items that combine functionality and design.

Our columns cover recommended ways to style swimwear and Long Springs, seasonal fashion, and tips for staying comfortable in the ocean. Be sure to check them out.