The Zeal Portal XL is a perfect goggle for anyone looking for a new school look and a large fit with awesome optics. Optimum Lens Technology provides better color, improved clarity and enhanced definition to allow you to spot your landings better, or charge harder than you have before. Zeal's Rail Lock System allows you to effortlessly swap out lenses when the light shifts on you. An included Persimmon Sky Blue Lens is included to brighten up your day when you need to adjust for flat light or cloudy conditions. Optimum Lens Technology-Delivers color filtration for added clarity, heightened color and enhanced definition., Rail Lock System-A dual sliding rail that guides, slides and locks your lenses into place., Rimless Frame Design-Wide view., Everclear Anti-Fog-Keeps lenses clear of fog., Upper and Lower Venting-Venting above and below the lens circulates air., Large Fit/Large Coverage, Persimmon Sky Blue Lens Included-65% VLT for flat/low-light/nighttime conditions., Spherical Polycarbonate Lens, Race: No, Category: Adult, OTG: No, Special Feature: None, Helmet Compatible: Yes, Spare Lens Included: Yes, Goggle Ventilation: High, Goggle Lens Change: Easy, Frame Size: Medium, Lens Shape: Spherical, Lens Type: Non-Mirrored, Model Year: 2022, Product ID: 922062, Model Number: 11617, GTIN: 0685559116176