100% Cotton High Quality Material: 100% Cotton, softness and comfort. Size: Cap height: 9cm, cap circumference: 55-59cm. Adjust the size by buckle at the back. Unisex casual hip hop style. Comfortable all day to ensure the best sports experience Washing advice: Wash less. It is recommended to wash by hand instead of using pressure or machine. Suitable for leisure, sports, hip-hop, street dancers, summer beach activities, hip-hop, running, horse riding, hiking, climbing, masquerade and other outdoor sports or war games, paintball shooting and hunting, survival games.