Giro Source MIPS Bike Helmet - combines advanced performance and protection in a rugged, road-ready design. Deep coverage with aggressive ventilation from 16 vents along with deep internal routing helps keep things cool even when the ride is noisy. And with the comfort and sure-feel of the Roc Loc 5 fit system with integrated MIPS® brain protection, plus an adjustable moto-style screw-on shield and full lower Hardbody ™ durability, you get a helmet that's capable of equipping for fun and adventure. * the helmet meets the EU standard: CE EN1078 * material: polycarbonate * IN-MOLD® system is a technological process in which EPS polystyrene foam is injected under pressure into the shell and reinforcements closed in the mold. Their connection will reinforce the area of ventilation holes and ribs. The result is a compact, one-piece, light, safe and very durable helmet * clamping system: ROC LOC 5 - allows you to easily adjust the adjusted tension and tilt of the helmet forward and backward in seconds with one hand. And it's also lighter than comparable systems * MIPS (Impact Protection System Multi-directional) technology: MIPS inner liner with elastomers, in the event of an impact, the shell will move slightly, thanks to which the rotational forces will be reduced and the impact will be reduced * 16 ventilation holes for pleasant ventilation * COOLFIT ANTI-MICROBIAL linings * EPS foam insert * adjustable Moto-style screw cap * head circumference: M (55-59 cm), L (59-63 cm) * Giro helmet * Giro cycling helmet * MTB bike helmet * branded helmet Giro