One size fits all: best fit 56 - 59 cm (22 - 23.2 inches); adjusted for a secure fit with a drawstring in the sweatband and cannot be blown away on windy days.Lightweight and comfortable: this baking boy hat made of super high-quality material. Warm but not heavy, so soft that you feel more comfortable, classic in autumn and winter.Fashionable style: the flat hats for women give your outfit a trendy touch at any time of year. It is easy to match with casual or formal outfits. The women's hat is good for weekend and everyday wear.Perfect gift: a versatile piece for women, ladies, girls. Suitable as Valentine's Day gifts, Mother's Day gifts, Christmas gifts, birthday gifts, party gifts, graduation gifts or a special giftNOTE1. The size of the product is measured manually, and there will be an error of 2-3mm due to factors such as different measurement tools and measurement methods.2. This product is all taken in kind, but due to differences in photography, lighting, color deviation, and personal understanding of color. As a result, there may be some color difference between the actual product and the photo, and the color is subject to the actual product.3. Please take good care of our products~4. Please confirm the size before purchasing