Day-One Underwear

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Day-One Underwear

DAY-ONE UNDERWEAR™
- Authentic Tapered Boxer Shorts
- Made in Japan
- Worldwide Delivery

11/12/2025

New challenge, new life, my invisible uniform.

Tapered Boxer Shorts - men’s underwear
100% Cotton. Made in Japan.

#メンズアンダーウェア

10/10/2025

100% COTTON
Made in Japan
メンズボクサーパンツトランクス

テーパードカットとアクションサイドベンツでごわつきのないアンダーウェア

#ボクサーパンツ
#メンズアンダーウェア

23/06/2025

Authentic Men’s Boxer Shorts.

100% Cotton.

Made in Japan. Worldwide delivery.

#ボクサーパンツ #メンズアンダーウェア

09/06/2025

Your skin deserves better.
Breathable. Skin-safe. All-day comfort.

We keep it real with 100% cotton boxer shorts.

Made in Japan. Worldwide delivery.

13/02/2025

Long-Cut Tapered Boxer
with Action Side Vents

Green x White

100% Cotton. Made in Japan.

Free Worldwide Delivery Available 🌏

31/01/2025

Long-Cut Tapered Boxer

Light Blue x Navy

100% Cotton

Made in Japan

Free Worldwide Delivery 🌏

22/01/2025

Authentic Men's Boxer Shorts.

"Yellow x Navy"

100% Cotton. Handmade in Japan.

Free Worldwide Delivery Available...

*Jacket: Carhartt Chore Coat

03/12/2024

Bringing authentic fashion underwear back into the spotlight.

Tapered Boxer Shorts with Action Side Vents.

100% Cotton. Made in Japan.

#古着 #ヴィンテージ古着 #アメカジ #メンズファッション

16/10/2024

Special soft-cushioned waistband for long lasting comfort and adjustable fit.

Tapered Boxer Shorts.
"Blue x White"
100% Cotton. Handmade in Japan.

**Free Worldwide Delivery Available

09/10/2024

Boxer Shorts - Long-Cut Tapered

100% Cotton. Handmade in Japan.

**Worldwide Delivery**

#古着

02/10/2024

Tailored Boxer Shorts for men who want style from the inside out.

For both underwear & loungewear use.

Authentic design. Handmade in Japan.

***Free Worldwide Delivery Available***

#古着 #ヴィンテージ古着 #ビンテージ #アメカジ #メンズアンダーウェア #ボクサーパンツ

Address

Opening Hours

Monday	09:00 - 17:00
Tuesday	09:00 - 17:00
Wednesday	09:00 - 17:00
Thursday	09:00 - 17:00
Friday	09:00 - 17:00

Telephone

+81368232401

Website

https://day-one-underwear.com/

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