Specifications: Material:cotton+polyester Size:head circumference 56-58cm. Applicable Season:Four Seasons. Applicable Scene:Casual. Department Name:Adult. Features: It can better protect you from sunburn. Excellent choice for daily activities and outdoor activities. Ideal for jungle walks, fishing, running, hitchhiking, outdoor research, baseball, cycling, golf, tennis. Notes: 1. Please allow 0cm to1.5cm/0 to 0.59 error due to manual measurement. Please make sure you do not mind before you buy. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you