The Focus Otg Is A Magnetic Model Specially Designed For Glasses Wearers. A Variation Of The Gravity With A Foam Cut-Out On The Sides And An Increased Depth To Fit Over Glasses, You Can Change Lens In Less Than 3 Seconds Thanks To Its 8 Magnets. Comes With A 2nd Yellow Lens (Category 1) For Bad Weather. Features:- Magnetic- Otg TrendSpecifications:- Screen: Spherical Double Lens- Magnetic Screen: Yes - Sunshine: All Weather- Foam: Coloured Triple Density + Lateral Foam Cut- Glass Carrier: Yes - Strap: Silicon Threads On StrapLens Treatment:- Anti-Fog- Anti-Scratch Treatment