The Retina Big Clarity is always a popular goggle for racers looking for a large-fit cylindrical lens for charging through the race course. The Optical Grade Polycarbonate Lens has been designed by Zeiss Optics to give you clear and distortion free views. Triple Layer Face Foam keeps a tight seal across your face. The lenses have been treated with Anti-Fog and Anti-Scratch Coatings to enhance durability. A Silicone Grip on the inside of the Strap prevents the strap from slipping up on your helmet as you are flying through the gates. Clarity Comp Lens, Spektris Mirror Coating, Anti-Scratch/Anti-Fog Treatments, Silicone Grip on Inside of the Strap, Low-Light Bonus Lens Included, Race: Yes, Category: Adult, OTG: No, Special Feature: None, Helmet Compatible: Yes, Spare Lens Included: No, Goggle Ventilation: Medium, Goggle Lens Change: Moderate, Frame Size: Medium/Large, Lens Shape: Flat, Lens Type: Mirrored, Model Year: 2020, Product ID: 577037, Model Number: PC405258214ONE1, GTIN: 7325540985468