If you like to alternate between the asphalt and the mountain, and even if you dare to tackle gravel...the Kaval helmet is our hybrid option for unique experiences.Kaval adapts to the environment that appeals to you at the moment. Its profile covers the occipital zone better than a classic road helmet. So it gives you a real "mountain” protection. Remove its large visor for a totally different helmet. One that’s more aerodynamic for the open road. But don’t let its solid appearance fool you. Its internal ventilation is top-notch, thanks to the Airflow architecture. You’ve chosen a great day to take out your bike. Regardless of the terrain.CharacteristicsA very versatile and well-ventilated cycling helmetPerfect for both the road and the mountain, on medium-intensity ridesIts internal Airflow Architecture promotes ideal air flows to keep you coolSpiuk ® X1 rear adjustment dial with two height positions for a precise fitLarge, cushioned visor with a built-in anti-insect netTechnologiesInternal helmet design comprised of channels that connect the front and rear openings. The large frontal openings enable large volumes of air to enter. Thanks to the continuity of its internal tunnels, effective air circulation is achieved. Whereby air in contact with the head is constantly renewed, thus transferring excess heat to the rear openings. This provides excellent cooling and superior aerodynamic performance compared to conventional internal structures.This product has earned EC certification, meeting the technical and quality criteria set out in the corresponding approval.Size Guide for HelmetsTo establish the ideal size, measure your head's circumference, as indicated in the image.Each helmet specifies the appropriate measurements for each size in centimetres.size S-M: 52 -58 cmsize M-L: 58-62 cm