The AGV K5-S Plain Motorcycle Helmet is a premium sport helmet which due to its new inner liner construction, offers improved comfort over its predecessor, the K5.Carbon-fiberglass constructed shellInternal Sun VisorPinlock ready visor (Pinlock included in box)XQRS (Extra Quick Release System) visor mechanismCentral air vent for optimal air flowImproved field of visionThe AGV K5-S Plain Motorcycle Helmet has a lightweight carbon-fiberglass shell that incorporates a spoiler to the rear of the helmet to aid with stability and aerodynamics.The Helmet features AGVs patented micro-opening system which allows air to circulate around the front of the helmet, helping to regulate the riders temperature on those warm sunny ride outs. The new and improved liner has been designed from high-performance fabrics that has no stitching in sensitive areas, added to the comfort of the helmet.This helmet features a drop-down internal visor which allows the rider to flip from a clear visor, to a dark sun v