Come and see our amazing products. Our breathable hat adopts a unique design. The brim is designed with a retractable and elongated sun visor brim to protect your face from strong ultraviolet rays in the summer, and the empty top even in the hot summer It can also make you feel cool.The sports hat has a brim length of 9.5CM, a brim width of 21CM, 32CM after opening the retractable brim on both sides, a cap circumference of 55-60CM, and adjustable back cover, suitable for most people.It's a great gift for you. Pls confirm with us about the packing info, stock color and exact production time before placing your order.