CE Safety Standards: This fashion bicycle helmet is made of 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: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Minnanxin