Colour: Various Size: See below “A low-profile frame with high-profile style. The Megalith is a retro-inspired goggle that provides crystal clear views to the edge of your peripherals. From afternoon sessions to full days on the hill, this goggle packs ultimate comfort into a badass frame with a cylindrical lens and a helmet-compatible fit. The sharp edges and beveled details give a nod to their single-lens sunglass counterpart, the MONOLITH. Equipped with SPY+'s therapeutic HAPPY™ Lens and made with 30% plant-based materials, the Megalith has checked the vibe so you can focus on the ride. Technologies Anti-Fog coating / Anti-Scratch Coating / Cylindrical Lens / Double Lens / Eco-Friendly Materials / Happy Lens / Interchangeable Lenses / OTG - Over The Glasses / Passive Ventilation / Silicone On Strap / Triple Layer Face Foam FIT GUIDE MEGALITH Fit: Medium / Large Goggle Measurements Lens Width (A) 161mm Lens Height (B) 85mm Frame Width (C) 176mm Frame Height (D) 100mm LENS TYPE CYLINDRICAL CYLINDRICAL LENS Cylindrical lenses are built on a base curve only in the X axis. SPY’s Superior Injected Curve lenses create a curved shape that provides better impact protection and higher quality optics.” - spyoptic.com