CE Safety Standards: This fashion bicycle helmet is made of high-quality ABS hard shell and EVA buffer layer material, providing high strength, excellent impact and shock absorbing protection for cycling. Hat Shaped Design: This helmet features a wide brim design, offering effective sun protection during hot summer days. Ventilation and Comfort: Equipped with ventilation ports, this lightweight and breathable cycling helmet helps keep you cool and dry for long-term comfort. Adjustable Fit: The adult bike helmet includes adjustable chin straps and an adjustable head circumference system, allowing for a secure and comfortable fit for head sizes from 58cm to 60cm. Wide Application: This stylish bicycle helmet is suitable for everyday use, commuting, outdoor travel, cycling, biking, and riding. It also makes a great gift choice for outdoor enthusiasts.