Bobike One Plus helmet XS (48-53 cm), with the Easy-Lock closure system you can quickly adjust the helmet to size. One® Plus helmets are designed with safety as a top priority, with sturdy in-mold construction and an extended protection area. In-mold Construction: Our helmets feature in-mold construction for enhanced durability and protection, so your child can ride safely and in style. Increased protection area: with a larger protective surface you can be sure that your child's head is well protected during every ride. Adjustable DIAL fastening system: the adjustable DIAL fastening system guarantees a perfect fit and ensures comfort and safety for your child. Soft straps with chin piece: the straps are not only soft, but also equipped with a chin piece for extra comfort during longer rides. Reflective stickers: Two reflective stickers on the back increase visibility, making your child easy to notice even when it gets dark or bad weather. Insect net: our One Plus Helmets have a built-in insect net that provides protection against flies and insects. Cooling Vents: Keep your child's head cool with 10 strategically placed vents for a comfortable and enjoyable ride every time. Safety standard: Our One Plus helmets meet the standards of Regulation (EU) 2016/425 & EN1078:2012 + A1:2012, ensuring the highest safety standards for your child. 5604415118623