Come and see our amazing products. The summer beret cap is made of polyester blend. The flap cat size: one size fits most. Head circumference: Approximately 22.5"-23.5". Hat deep: Approximately 4.7". In the summer day, this flat hat could protect you from sunlight. Breathable design will make you feel comfortable all the day. Very cool hat. Perfect for Gatsby party, dance party, tea party and all kinds of parties. These flat hats are the ideal hat accessory for your summer daily and outdoor activities such as driving, fishing, hiking, golfing, camping, traveling, hunting, gardening, truck drivers, etc., to keep your head breathable and cosy, and can be worn all year round. Pls confirm further with us if any query about packing info, inventory status and time schedule.