Label: Yes Size Chart: Adjustable Head Circumference: 58cm-60cm / 22.83in-23.62in Material: ABS, EVA, Cotton Hat Brim: 8.5cm / 3.35in Hat Depth: 10cm / 3.94in Back Brim: 5.5cm / 2.17in This fashion bicycle helmet is made of high-quality ABS hard shell and EVA buffer layer material, offering high strength and excellent impact and shock absorption protection for cycling. The hat-style helmet features a wide brim design, providing effective sun protection during hot summer days. Designed with ventilation openings, this cycling helmet is lightweight and breathable, helping to keep you cool and comfortable during extended use. The adult bike helmet comes with an adjustable chin strap, allowing easy adjustment of head circumference to fit various head sizes from 58cm to 60cm. This stylish bicycle helmet is suitable for everyday use, commuting, outdoor travel, cycling, biking, and riding. It also makes a great gift for outdoor enthusiasts. Package Included: 1 x Hat or 1 x Hat with 1 x Hard Shell Note: Please allow 1-2cm error due to manual measurement. Due to differences in monitor displays, the image may not reflect the actual color of the item. Thank you for your understanding. Have a nice day!