The KASK Zenith X marks an evolution in safety helmets. From the outside, the helmet looks similar to its award-winning predecessor. Yet, this new version offers updates to every feature. The designers focused on three areas: safety, comfort, and user design. Safety was enhanced with an improved two-part EPS inner shell that consists of a lightweight core with D-Core Technology and a higher density cage with HD Crown Protection for greater all-around impact absorption with optimal airflow. The new patented Adaptive Fit System ratcheting mechanism makes the helmet even more comfortable, providing improved stability and a personalized more secure fit.   Size: Universal-adjustable from 52 to 63 cm Weight 490g ADAPTIVE FIT SYSTEM A size adjustment system which integrates three components for all-day comfort. A new, double diameter dial allows for easier size adjustments. Ergonomic side wings ensure a fast and secure fit against the back of the head. The patented Self Adaptive Live Hinge is the latest, self-adjusting fit technology that moves as the wearer moves. EASY CLICK SYSTEM Helmet designed with integrated slots that enable visor adapters to mount face protection and eye protection to helmet. ADVANCED CHINSTRAP Chinstrap designed with eco-leather, a synthetic leather made using sustainable materials and processes, that provides high degrees of comfort and significantly reduces irritation to the skin. Hypoallergenic and washable. DRY Advanced composite fabric integrated with Hydrocool® moisture-wicking technology and exceptionally soft textiles for enhanced user comfort. Infused with a deodorizing silver ion treatment. 3 years guarantee Shelf life 10 years EN 397 EN 50365 (Class 0) Protection against top, front, rear and side impacts in conformity with EN 12492 Clauses 4.2.1.2, 4.2.1.3, 4.2.1.4 shock energy absorption capacity Clause 4.2.2 penetration iF2021 Design Award