Three layers of protection for safe riding28 ventilation holes for breathability during ridesPC shell for improved structural strength and impact resistanceLightweight and one-piece molding for comfortable long-term wearAdjustable head circumference for a customized fit and easy cleaning Introducing our bicycle helmet, designed for ultimate comfort and safety during your outdoor adventures. With a convenient quick release buckle, it's easier than ever to take off and put on the helmet. The floating inner lining increases air flow space, ensuring maximum comfort while you ride. Our helmet is compatible with various head circumferences, thanks to its adjustable design. It features 28 ventilation holes and a thickening chin pad that quickly absorbs sweat and provides effective protection for your chin and head in case of a collision. Made from high-quality PC and EPS materials, this helmet is not only strong and elastic but also effectively alleviates impact force. It's suitable for a wide range of activities such as mountain climbing, cycling, skiing, and more. With three layers of protection and multiple layers of anti-impact buffering, you can ride with peace of mind knowing that your safety is our top priority. The PC shell is formed in one piece, enhancing its structural strength and resistance to impact. This lightweight helmet is designed for long-term wear without causing fatigue to your head and cervical spine. The comfortable lining is easy to remove and wash, ensuring a clean and freshing fit every time. Item Name: Bicycle Helmet Material: PC, EPS Usage: Head ProtectionFeatures: Adjustable, Breathable, Ultralight Size Details: L: 28cm/11.02", W: 21cm/8.27", H: 14cm/5.51" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Bicycle Helmet