ReqHatter / Sailor hat.

Size: Head circumference 58.5cm (with size adjuster)

*You can fine-tune the size around your head inside, so you can wear it to your desired fit.

Material: 100% cotton

The six-panel rounded top features a long brim with fine stitching for added strength, giving it a stripped-down yet unique look.

The material is cotton, so it won't get stuffy even in the summer, and the good thing about it is that it can be washed in the washing machine.