TRENZA PREMIUM was created to meet the demands of customers who want a well-tailored, perfectly fitting, high-quality suit. With an unwavering commitment to quality and a refined style, every suit undergoes 330 steps from material selection to cutting, sewing, and finishing. Backed by the reliable skills and knowledge of experienced craftsmen, it offers a superior and elegant wearing experience. You're sure to feel the true essence of a high-quality garment.
![[Feature] A basic look with meticulous attention to detail! 4 authentic suits you'll want to wear again and again | THE GENTLEMEN CLOTHING & ACCESSORY SPRING & SUMMER 2026](https://ug7rtk3vglg3.global.ssl.fastly.net/images/empty.png)
3-14-1 Shinjuku, Shinjuku-ku, Tokyo TEL: 03-3352-1111
Hours: 10:00 AM - 8:00 PM
![Seven must-have, classic outerwear pieces from CANADA GOOSE for this winter [Mitsukoshi Isetan Online Store]](https://ug7rtk3vglg3.global.ssl.fastly.net/images/thumbnail/resize/214x142/images/upload/2026/11/a4d9e2f058f9ac2043fd7581e58852be.jpg)
![Low Life Factory, a ceramic artist couple from Gunma Prefecture, is holding a pop-up event featuring an exhibition and lottery sale of their flower pots! [Isetan Shinjuku Store]](https://ug7rtk3vglg3.global.ssl.fastly.net/images/thumbnail/resize/214x142/images/upload/2026/11/02f8a15550bade41e75cf62dc2b43ae0.jpg)
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![[Feature] A perfect balance of professionalism and comfort! 5 office casual outfit ideas for autumn and winter](https://ug7rtk3vglg3.global.ssl.fastly.net/images/thumbnail/resize/214x142/images/upload/2026/10/6cee68eb85145b32e33280b380e920ee.jpg)
![[Explanation] What men should wear and bring to a wedding. A professional explains formal fashion etiquette. [Updated July 2026]](https://ug7rtk3vglg3.global.ssl.fastly.net/images/thumbnail/resize/214x142/images/upload/2026/07/87e4bb2af882bf76b0f62aaa6a4f2218.jpg)
![JUNYA WATANABE MAN 4th delivery for Fall/Winter 2026 features coats and denim in a variety of materials. [Isetan Shinjuku Store]](https://ug7rtk3vglg3.global.ssl.fastly.net/images/thumbnail/resize/214x142/images/upload/2026/10/9f017b37421881c3e2132207c5d973bb.jpg)
![[Autumn/Winter 2026] 6 Autumn/Winter Outerwear & Blousons to Choose From Isetan Shinjuku Store, Men's Building | "Kuchiina Channel" GUIDE by ISETAN MITSUKOSHI](https://ug7rtk3vglg3.global.ssl.fastly.net/images/thumbnail/resize/214x142/images/upload/2026/10/e8c9f130b35eeea8433d2a6d79ae53d8.jpg)
![Recommended for 2026! Latest Men's Down Jackets and Down Coats [Mitsukoshi Isetan Online Store]](https://ug7rtk3vglg3.global.ssl.fastly.net/images/thumbnail/resize/214x142/images/upload/2026/10/b8f317c1f793c00235d3ad01e28f4a68.jpg)
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![[Feature] Unveiling at the festival honoring the patron saint of "leather"! 12 top leather shoe brands selected ISETAN MEN'S | Saint Crispin's Week 2026 [Isetan Shinjuku Store]](https://ug7rtk3vglg3.global.ssl.fastly.net/images/thumbnail/resize/214x142/images/upload/2026/09/0aed505e5dea1dfcb73762f0181e999c.jpg)
3-14-1 Shinjuku, Shinjuku-ku, Tokyo TEL: 03-3352-1111
Hours: 10:00 AM - 8:00 PM
!["Resonance - A Dialogue Between 'The Little Prince' and Berluti" POP-UP STORE [Isetan Shinjuku Store]](https://ug7rtk3vglg3.global.ssl.fastly.net/images/thumbnail/width/214/images/upload/2026/10/984959f2b26654d08bb1850aff644592.jpg)
![TEATORA | Event featuring a wide selection of outerwear. [Isetan Shinjuku Store]](https://ug7rtk3vglg3.global.ssl.fastly.net/images/thumbnail/width/214/images/upload/2026/11/7c60dfbaacd8f1baf6d6c3e2a405fa3f.jpg)
![Low Life Factory, a ceramic artist couple from Gunma Prefecture, is holding a pop-up event featuring an exhibition and lottery sale of their flower pots! [Isetan Shinjuku Store]](https://ug7rtk3vglg3.global.ssl.fastly.net/images/thumbnail/width/214/images/upload/2026/11/02f8a15550bade41e75cf62dc2b43ae0.jpg)
![Aconi | For Fall/Winter 2026, we'll be showcasing a wide range of eyewear inspired by vintage items! [Isetan Shinjuku Store]](https://ug7rtk3vglg3.global.ssl.fastly.net/images/thumbnail/width/214/images/upload/2026/10/05149c17d22e7a0d0229f243637fcb77.jpg)
![BLACK LABEL CRESTBRIDGE x "Hello Kitty" Collaboration Part 3! A limited-time shop showcasing new autumn/winter items is now open. [Isetan Shinjuku Store]](https://ug7rtk3vglg3.global.ssl.fastly.net/images/thumbnail/width/214/images/upload/2026/11/6a95105440e79ea72442b8bfac8c2f89.jpg)
Explore our serial articles that you'll want to read from the very first post!
The official Mitsukoshi Isetan online store offers popular items and limited-edition products unique to department stores. We also feature recommended men's content, including how-to articles and item showcases.
Interviews and recommended items!
Isetan Suitcase, which opened in April on the first basement floor of the Isetan Hall in Isetan Shinjuku, allows you to compare and consider various brands to suit your travel purpose and style. This article focuses on sizes under 40L and summarizes th
Fashion questions and HOW-TOs!
Have you ever been suddenly asked to attend a wake or funeral and thought, "I don't know what to wear!"? At such an event, it's important to be respectful and show proper etiquette to the deceased. But what's the difference between the attire for a wake a
Access
1 min walk from Tokyo Metro Marunouchi Line Shinjuku-sanchome Sta.
3 min walk from Toei Shinjuku Line Shinjuku-sanchome Sta.
5 min walk from JR Shinjuku Sta. / 7 min walk from Odakyu Line Shinjuku Sta.
7 min walk from Keio Line Shinjuku Sta.
5 min walk from Seibu Shinjuku Line Seibu-Shinjuku Sta.
10 min walk from Toei Oedo Line Shinjuku-nishiguchi Sta.
2 min walk from Tokyo Metro Fukutoshin Line Shinjuku-sanchome Sta.
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