Features: 1About SizeSize (approximately): S (52-53cm), M (54-55cm), L (56-57cm), XL (58-59cm). - please read the size measurement scheme on the picture carefully. (very important) 2 Aerodynamic DesignABS outer shell, EPS inner shell, reinforced chin strap with quick release fastener, extremely robust and impact-resistant. Partly removable and washable lining that keeps the helmet clean, fresh and odorless. &nbspAerodynamic designed motocross helmet. 3 Strong MaterialAdvanced Aerodynamic Polycarbonate Shell Construction - Lightweight yet strong helping to keep the weight of the helmet down whilst ensuring you are kept safe. The shell shape has been specially designed to minimise the risk of transferring impact energy to the collarbone and optimise for the use of neck protection. 4 Removable lining Child Adults Motorcycle Sport Cross Helmet - Comfortable inner lining, when the helmet is subjected to a strong impact, the soft foam spacer inside the helmet can ensure that the impact does not injure the person& 39s head. Provide stronger protection. 5 Package includesMotorcycle accessories including cross helmet, protective glasses, gloves, face cover, a total of 4 pieces. Best gift for motorcyclists, the ideal travel companion even for long motorcycle tours. High strength Polycarbonate Shell, lightweight and impact resistance. Sleek and lightweight design reduces wind noise. Comfort soft 3D padding liner uses breathable technical fabric, hypoallergenic, fully removable and washable. Intake and exhaust ports ensure plenty of ventilation to keep you cool. Quick release buckle ensures your head is securely fixed. Specification: Material: ABS+ EPS Weight: about 1250g/set Type: Motocross helmet Size (approximately): S (52-53cm), M (54-55cm), L (56-57cm), XL (58-59cm). (Please accurately measure the head circumference and choose the size before buying, so as not to be too big or too small.) Package included:1 x Motorcycle Helmet 1 x Goggles 1 x Gloves 1 x Face Cove