Please be aware that the shape may be slightly altered during shipping. Material Composition: 100% Cotton Care Instructions: Hand Wash Only Closure Type: Buckle Fit Type: Adjustable About this product: 【Ultimate Fit】This cotton baseball cap is designed for comfort and fit. We've adjusted the length of the front and sides of the cap to match the shape of Japanese heads, pursuing the optimal depth and width. We focused on the crown of the hat to achieve a perfect fit for you. 【Adjustable Free Size】This hat is designed with an adjustable range of 55-60cm, based on the average Japanese head circumference. It is said that the ideal size is the head circumference plus one centimeter, and this range allows for stepless adjustment. It is a unisex size that can be used by both men and women. 【Shape Retention】The inside of the front of the cap has a double-fabric structure to prevent deformation. The front of the crown is reinforced to maintain a beautiful silhouette for a long time. We also take care to prevent shape deformation during shipping. In addition, the high-quality cotton material used has good breathability. 【Simple Design】A simple design that goes well with any outfit. It can be worn with a wide range of styles, from casual street style to slightly formal attire. It's a convenient fashion item that allows you to complete your style just by putting it on in the busy mornings. 【High UV Protection】The UV protection rate of the material is over 99.9%, UPF50+. It has been tested by a third-party testing organization in accordance with JIS standards. It is also ideal as a daily UV care item.