Fizik Kunee Helmet The Aerodynamic Advantage Time-trials and triathlons require riders to be as aerodynamic as possible. With an aero helmet, you can cut through the wind with ease. The Fizik Kunee Helmet is a performance time-trial and triathlon helmet featuring a smooth surface, teardrop shape, integrated visor, and innovative corrugated side panels, all of which aid in reducing drag for greater aerodynamic performance. It features an in-molded EPS-PC structure for added strength and durability, a single-piece PC outer shell, magnetically attached ventilated visor, a size adjustment system with tilt and crown adjusting features, and removable and washable inner padding. Features In-molded EPS-PC structure for added strength and durability Optimized aerodynamics and enhanced energy efficiency The visor extends across the helmet's sides, improving both frontal and peripheral vision Includes a clear visor and a helmet case SPECIFICATIONSCore Material EPS-PVClosure system-Safety Certifications CE EN 1078:2012 and CPSC 1203Intended Use Time-Trial, Triathlon, Going extra fast on your beach cruiser Weight400g (S/M w/Visor)Sizing Size Small/Medium Large/Extra Large Head Circumference (cm)54 - 58cm58 - 61cm | Fi'zi:k | Kunee Helmet Men's | Size Medium/large In Anthracite