Built on the F5 chassis and adding to its engineered capability to provide all-day comfort, the F5 Koroyd adds the next level of safety and ventilation technologies to provide an unprecedented combination of protection, reduced weight and enhanced ventilation and carries the DOT certification for on-road use. Challenging long-held industry methods, the F5 is leading the way in head protection technology and providing the best possible riding experience. Koroyd® is a next generation energy absorbing technology, engineered with a unique structure which reduces trauma levels with innovative energy management properties. When impacted the Koroyd cores crush homogeneously, decelerating the energy from the impact and reducing final trauma levels. MIPS® brain protection system is a low-friction layer designed to reduce rotational motion transferred to the brain from angled impacts the head. Features Full Klim® Karbon fiber shell One of the safest helmets in the industry Hybrid impact protection combines multiple energy absorption technologies Koroyd® technology Mips® technology Dual density eps Extra large eye port for maximum field of vision Wind tunnel tested Fid-lock® strap closures (extremely easy to take helmet on and off) ventilation: Most ventilated helmet in the industry 18 intakes and 8 exhaust vents Direct vent eps design Designed to intake air at speed / exhaust heat while at low speeds or stopped safety: Shell structure designed for maximum strength while remaining lightweight Neck brace compatible Exceeds ECE certifications comfort: Focus on fit Anti-microbial and anti bacterial materials Moisture-wicking Drylex® comfort liner 3 shell sizes and 3 eps sizes for the best fit and maximum comfort to fit your head like a glove included: Helmet bag Breath box Windstopper® liner Extra peak visor/hardware Note Please note that as long as nothing else is written in the article description, all helmets that have a visor as standard will be delivered with a clear one, even if it is shown differently.