Purchased on Amazon. Only tried on, selling because the size doesn't fit. Quoted from the Amazon purchase page below: 【Size】Adjustable head circumference 56-58cm (adjustable) Leather adjustment buckle, you can definitely adjust the size that suits you. 【Material Composition】Cotton, washed cotton cap. The feature of water-washed cotton is that it is softer and more comfortable to wear than cotton material. Durable and washable. 【Brimless Design】The brim is removed from the cap, and it has a rolled-up design. Wind-resistant, so it's also suitable for outdoor activities such as cycling and fishing. 【Can be worn with hair tied up】Even those with long hair can wear it with their hair tied up, expanding the range of fashion with hair arrangements. 【In various situations】Easy to combine with various outfits, and you can be fashionable anytime, anywhere. It also has a small face effect and style-up effect, so it can be used by men as well as women.