Bullet Points: 1Breathable and Anti-stuffThe Adult Bike Helmets are made of mesh, which is breathable and anti-stuff. In addition, on the basis of ensuring safety performance, the air permeability of the inner guard has been greatly improved. 2Adjustable BuckleAdjust the buckle to suit riders with different head circumferences, suitable for 58cm~65cm head circumference. Plus, the Bike Helmets for Adults have a removable and washable breathable liner for easy cleaning. 3Good DesignThe Bicycle Helmets for Men adopts a wide-angle design, which does not block the line of sight; it has a cute shape and a baseball hat style. Also, it is very lightweight, it will not make you feel heavy, and it is comfortable to wear. 4EVA Buffer LayerThe Bike Helmets are made of a high-strength EVA buffer layer, ABS shell, and mesh cloth, it is lightweight and impact resistant. It is a must-have equipment for outdoor sports enthusiasts. 5Wide ApplicationsIt is widely used. The Bicycle Helmets are suitable for cycling, skiing, baseball, skateboarding, and other sports. Perfect for men and women on the go. Description: 1. The hat adopts a durable shell with a soft liner that could absorb external pressure. 2. After hours of riding, you can remove, wash and change the flannel linings. 3. Ensure the perfect fit with an easy-adjust buckle. Specification: Material: ABS, breathable mesh, EVA Color: navy blue, black, red, royal blue, orange, gray (optional) Size: 26*18.5*11cm/10.24*7.28*4.33in, hat circumference 58~65cm(22.83~25.59in) Product List: 1*Adult Bike Helmets Notes: Due to the lighting effects and filming angles, there is a color difference in the product, please understand. Due to manual measurement, there is a tolerance in the product size.