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.