Bicycle ASTM safety standard CPSC CE adult cycle high impact commuting to work or adjustable size helmet, & certified, helmet, ultra-lightweight,

[Safety Guarantee] Quality recognized by international testing agencies, CPSC & CE safety standards have been obtained. Made of high-density EPS and ultra-strong and rigid PC material, it can effectively absorb external impact forces. The unique technology of one-piece molding disperses the impact throughout the helmet, minimizing damage to the helmet and head. At only 220g, it is so light that you won't feel its weight, and it is comfortable to wear for long periods of time. [Size Adjustable] The 3-in-1 omnidirectional adjuster system allows for fine adjustment of the side ears, under the chin, length and head circumference in all directions. The size adjustment range is 57-62cm, so you can adjust it to the size that best suits you. Suitable for both men and women, it can be used from about the upper grades of elementary school. It is a helmet that is attractive to both men and women. [Excellent breathability] The design of 18 ventilation holes allows for good airflow and easy heat dissipation and cooling, keeping your head fresh. The helmet is equipped with a removable, sweat-absorbent and breathable cushion inside, which protects your head in all directions and ensures safety, and can be removed for washing. [Versatile] Suitable for cross bikes, road bikes, electric bikes, and balance bikes. Highly recommended for commuting, going to school, skateboarding, kickboarding, inline skating, rock climbing, mountain climbing, and more! [Safe and Secure Warranty] 6-month manufacturer's warranty. We carry out thorough quality control and strict inspections, but in the unlikely event of a defect, please feel free to contact us. If the product is found to be defective when unused or is found to be defective due to quality or manufacturing defects under normal use conditions, we will refund or replace the product free of charge.