Miko 908 Ocean Buttondown Shirt

The button-down shirt is a cornerstone of Ivy style. Whether you fasten the collar buttons for a clean look or wear it open with the collar popped, it works either way. The silhouette takes inspiration from aloha shirts, with a generous width and a slightly shortened length—what we call the “ocean silhouette.”

We spun the finest Suvin cotton into threads as fine as hair, then twisted three strands together and wove the fabric with maximum density. The result is a shirt with a smooth, sleek feel and even a touch of resilient stretch—truly luxurious in both texture and construction.

Though it looks like a dress shirt, it’s made from 100% cotton, so you can wash it freely without worry. It feels great worn rumpled straight from the wash, but with a quick press, it easily transforms into a polished shirt. A perfect balance of practicality and the refined craftsmanship 45R is known for—rooted in Japanese textile tradition.