CE Safety Standards: This fashion bicycle helmet is made of high quality ABS hard shell and EVA buffer layer material, with high strength, great impact and shock absorbing protection, supports cycling. Hat Shaped Helmet: The Hat Type Helmet for women, wide brim design, provides great sun protection for hot summer. Ventilation Comfortable: This cycling helmet with vents, lightweight, breathable, keeping you cool and drying, long time comfortable wearing. 58cm to 60cm Adjustable: The adult bike helmet is designed with adjustable chin straps, head circumference can be easily adjusted for different head sizes. Wide Using Applications: This stylish bicycle helmet is widely suitable for everyday wear, commuting to school or work, outdoor travel, cycling, biking, riding, etc. Besides, it is also a great gift choice for outdoor lovers. Specification: Material: ABS EVA Cotton Size Chart: Adjustable Head Circumference: 58cm-60cm/22.83inch-23.62inch Hat Depth: 10cm/3.94inch Hat Brim: 8.5cm/3.35inch Back Brim: 5.5cm/2.17inch Package Includes: 1 Surf Bucket Hat 1 Hard Shell Note: Please allow slightly errors due to manual measurement and different monitors. Note: 1. Please allow 1-3 mm error due to manual measurement and 1-3g weight error make sure you don't mind before ordering. 2. Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please make sure you don't mind before ordering, thank you! About Shipping: 1.please pay attention to your delivery address such as: name, street, house number, doorbell/email without name, etc. is correct, or the order will not be delivered correctly. 2.All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances. 3.During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours Hope you have a pleasant shopping experience!