Thank you for viewing. The following is quoted from the web. New 4-panel balloon cap. This functional hat is made with Polartec material. Polartec is an attractive material because it is lightweight, durable, and long-lasting, while also offering breathability, wind resistance, and heat retention. It is a material mainly used for outerwear, but it is a very superior material in terms of protecting the head. It has a chin strap that can be folded with buttons, allowing you to keep your ears and neck warm, and the brim lining is designed with water-repellent nylon fabric. The balance between the large brim and the fitted crown creates a silhouette that has a street feel while still being functional. Size can be adjusted with the back adjuster. Size: FREE SIZE (Fits comfortably for those with a head size of 57CM-61CM) Material: POLYESTER 100% Retail price: ¥16,500 Will be shipped folded. Thank you.