100% Cotton One size fits most. Adjustable back strap for custom fit. The baseball hats Size: Circumstance: 56~63cm/22~24.8; Brim Width: 7cm/2.8, The height of cap: 16cm/6.3 Material: Cotton+Synthetic. The baseball cap is vintage and durable 100% cotton ; Great baseball caps for both Men and Women Vintage baseball cap design keep you vintage styles. Officially licensed. Unstructured floppy and twill low profile design for a casual look with 6 eyelets for extra ventilation and breathable comfort. Protection: Curved dad hat brim design prevents your head, face and eyes from the glare of the sun, and the buckle of the baseball cap can be adjusted to fit the size of your head, fashion style is not only great for daily wearing, but also baseball hat is suitable for many outdoor activities like cycling, playing tennis, playing golf, hiking and camping. Simple but elegant design makes ball cap great as a nice present for your family, friends and lovers.