Bicycle Class 4 Safety Head Adjustable Suitable for Inline and High School CE CPSC and ASTM Standards [SG Mark] Children's Helmet, Certified,

[SG Certified Impact Resistant] This product is designed with SG certification standards in mind. It also references various standards, including CE, CPSC, and ASTM. It is designed for use in Japan. It incorporates elements of international safety standards, taking into account the anticipated use scenarios for children's helmets and bicycle helmets. The manufacturing process, including the surface coating, is controlled by reference to standard information on physical and chemical testing. It features a one-piece molded shell made of ABS material with an internal liner. [Excellent Breathability & Ultra-Lightweight Design] The streamlined design reduces air resistance and features 16 well-balanced ventilation holes, making this children's bicycle helmet comfortable and comfortable, even when worn for long periods of time. The ultra-lightweight design, weighing approximately 210g (S size) and 230g (M size), ensures even elementary school children don't feel strained around the neck or head. The adjustable fit at the back of the head prevents the helmet from slipping even during intense cycling activities, and the American-made ITW buckles on the ear and chin straps further enhance safety. [3D Full Protection Insect Repellent Inner] The protruding brim reduces the risk of facial impact in the event of a forward fall. Even when used as a helmet, the helmet features a special 8mm thick insect repellent inner pad. While preventing insects and dust from entering, the soft material is highly absorbent and breathable, making it comfortable for even children who sweat easily. The pad is removable and washable, making it easy to keep clean. [Specially designed to fit Japanese head shapes] Unlike the oval-shaped helmets used in Europe and the US, this helmet features a circular design tailored to the Japanese head shape. It's comfortable even for elementary school children, and its secure fit prevents slippage during exercise. Its stylish design also makes it a perfect bicycle helmet for children, providing a snug fit. Its sleek appearance means your child will be happy to wear it. [Japanese Quality & Reliable Support] This product is designed and inspected by a Japanese company. It is designed to meet SG certification standards. The approximate size and weight are as follows: S size (approx. 48-53cm / approx. 210g) M size (approx. 54-58cm / approx. 230g). The specifications are based on the user's head circumference. We recommend that you check your head circumference before purchasing. Children's bicycle helmets