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.