The Kask Zenith X is a sleek, hi-tech, comfortable safety helmet designed to exceed global safety standards with intense impact absorption and protection. The Kask Zenith Helmet features an external shell of HD polypropylene, internal shell of HD expanded polystyrene, and soft PA nylon headband. Designed with Kask’s D-Core technology for greater impact absorption on the top of the head, and the inner shell with HD Crown protection for 360 impact protection. Outfitted with Kask’s adaptive patented size adjustment system, chin-strap in eco-leather, and moisture wicking fabric liner. The Kask Zenith Helmet includes attachment slots for Zenith visors and Kask earmuffs, as well as other integrated slots ready to mount with eye and face protection. Kask safety standards far exceed typical helmets for sports and general use–the effectiveness and comfort of the Kask Zenith Helmet is unparalleled. *SENA installation takes 3-5 days to complete. Please be aware that your order may take additional time to ship.