The Schuberth SP1 Evo/SK1 Evo injected visors come directly derived from F1 expertise. Twelve different visors available from transparent to dark with several mirroring and multi-layer mirroring coating options. The new SDL system has been developed by Schuberth to enhance both safety and ventilation properties of the helmets. The new system retains the characteristic 2-stages opening feature. The first stage lets in a small amount of air while the visor is still securely locked. Stage two, instead, creates a firm visor seal that will keep out fine dust. Each visor comes with a soft Visor Pouch to protect visors when not in use. Fits SP1 and SK1 Evo as well as SP1 and SK1 Hybrid helmets (new models).