The frameless Madison Stealth Glasses offer a huge range of vision and maximum coverage. The sleek design works great for all types of riding, and really excels on the road where the huge vented shield lens comes into its own. Madison Stealth Glasses Features Performance polycarbonate lenses give great optical clarity along with full UVA and UVB protection The durable polycarbonate lens is both impact and scratch resistant A fully adjustable nose piece allows you to dial in the perfect fit, pushing lens away from the face for extra venting if desired The frames have been developed to work seamlessly with your helmet for maximum comfort The arms easily and quickly detach from the lens, allows a lens change in seconds Includes a soft case for lens protection on the move Full UVA and UVB protection An optional RX insert is available for prescription lenses