Key Features: Designed for performance on the bike while remaining inconspicuous at the café stop Made with injection-moulded Grilamid, they are lightweight yet durable Snap lock hinges for stability on the face and when folded and stored Arm grippers and nose piece are made with Megol for high levels of grip Hydrophobic lenses benefit from an anti-fogging treatment and an anti-scratch layer See the full Classic collection Light transmission: Rose lens: 20% Pink Blue lens: 21% Bronze lens: 12% Purple Green lens: 15% Black Mirror lens: 10%