picador Ski Goggles PRO Over The Glasses with Detachable Dual Layer Anti-Fog Lens for Women and Men Detachable Double layer Spherical Lens:  Anti-fog, 100% UV Protection, VLT 18%, scratch resistant, impact resistance Frameless Design:  Removes all optical limitations for maximum peripheral and vertical vision Ventilation System:  The smooth air-flow system on goggles brings fresh air and exhausts moisture quickly and effectively Over The Glasses (OTG) Frame with Triple layer Face Foam:  Comfortable over the glasses, delivers superior comfort and breathability through multiple layer densities of cushioning Elastic Non-slipping Strap/Adjustable Buckle:  Fully adjustable strap features silicone on the back to make sure the goggles stay put with the helmet during the most extreme of rides