This is a hanjuban (half undergarment) with a detachable han-eri (collar) that can be used year-round. It comes with a han-eri and an erimon-nuki (collar adjustment). You can replace the han-eri with your favorite one. It can be washed at home, making it useful for replacements. Available sizes are M, L, and LL. If you have any questions, please feel free to contact us. ▼About Materials Body: Sarashi (cotton 100%) Sleeves and collar: Polyester ★The sample image has a pattern on the sleeves, but depending on the stock situation, the pattern may vary or be plain. We cannot specify the pattern or plain design, so please understand. ★You can insert a collar core into the attached han-eri. ▼About Delivery Anonymous delivery ・Will be delivered to your home mailbox. ▼Reference Sizes [M size] Hanjuban: Length 62cm, Yukitake 64cm, Sleeve width 32cm, Sleeve length 49cm [L size] Hanjuban: Length 65cm, Yukitake 65cm, Sleeve width 32cm, Sleeve length 49cm [LL size] Hanjuban: Length 69cm, Yukitake 67cm, Sleeve width 32cm, Sleeve length 49cm ◎Instant purchase without comments and purchases late at night are welcome. If you have any questions, please feel free to contact us. ◎We do not offer discounts on any of our products. Thank you for your understanding. ◎In addition, this is only a hanjuban, but we also offer a set of hanjuban and susoyoke (underskirt) (two-piece nagajuban). We can also accommodate requests for different size combinations for the top and bottom, so please feel free to let us know.