This is my "My White T-Shirt" | Introducing 6 White T-Shirts with Attention to Detail（1/7）
Discover a meticulously crafted "white T-shirt" that transcends the concept of underwear!
Isetan Shinjuku Store, Men's Building B1F, in the men's underwear, nightwear, and socks section, a total of 14 brands of white T-shirts, including newly added brands, are available again this year. You're sure to find the perfect one that transcends the boundaries of mere innerwear and becomes a fashion item in itself.
Here, we introduce Isetan Mitsukoshi exclusive items, each crafted with meticulous attention to detail from material selection to knitting and sewing, along with the unique characteristics of each brand. Please come and see and touch them in-store to find your favorite T-shirt.
[Major Brands]
- PREV
- 1 / 7
- NEXT
![[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)
![Papas | Yataro Matsuura presents outfit ideas perfect for travel and city strolls [Isetan Shinjuku Store]](https://ug7rtk3vglg3.global.ssl.fastly.net/images/thumbnail/resize/214x142/images/upload/2026/10/22ba5481dd971046863ace9762cf669d.jpg)
![[2026 Business Sneakers] 6 Must-Have Shoe Brands](https://ug7rtk3vglg3.global.ssl.fastly.net/images/thumbnail/resize/214x142/images/upload/2026/07/f90c33a55f87b638e6669997c95bcea8.jpg)
![9 Recommended Straight-Tip Leather Shoe Brands | Features and How to Choose — For Business and Formal Occasions [Updated October 2026]](https://ug7rtk3vglg3.global.ssl.fastly.net/images/thumbnail/resize/214x142/images/upload/2022/03/f70926937e3e545a0511ef425420b875.jpg)
![[Buyer's Selection] 8 Recommended Men's Wallets | Mitsukoshi Isetan Online Store](https://ug7rtk3vglg3.global.ssl.fastly.net/images/thumbnail/resize/214x142/images/upload/2026/11/a126f6168c6771d15094aa1783fc8d68.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)
![[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)
![To commemorate the 40th anniversary of LAB SERIES brand and Daisuke Takahashi turning 40, a special holiday box has been released. A talk show campaign is also underway! [Isetan Shinjuku Store]](https://ug7rtk3vglg3.global.ssl.fastly.net/images/thumbnail/resize/214x142/images/upload/2026/10/ec51d2b713894c28384584760ce78bf9.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)
![Papas | Yataro Matsuura presents outfit ideas perfect for travel and city strolls [Isetan Shinjuku Store]](https://ug7rtk3vglg3.global.ssl.fastly.net/images/thumbnail/width/214/images/upload/2026/10/22ba5481dd971046863ace9762cf669d.jpg)
![Introducing OVERCOAT FALL WINTER 2026 COLLECTION with a wide range of options. [Isetan Shinjuku Store]](https://ug7rtk3vglg3.global.ssl.fastly.net/images/thumbnail/width/214/images/upload/2026/10/41b8e081d5bbf24bb688a8477a39d527.jpg)
![GDC | Pop-up store featuring collaborative items with Rocky Mountain Featherbed and Alpha Industries. [Isetan Shinjuku Store]](https://ug7rtk3vglg3.global.ssl.fastly.net/images/thumbnail/width/214/images/upload/2026/10/294e94296787cde709334385695e2b8f.jpg)
!["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)
![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)
