The frameless Stealth offers 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.Performance polycarbonate lenses give great optical clarity along with full UVA and UVB protectionThe durable polycarbonate lens is both impact and scratch resistantA fully adjustable nose piece allows you to dial in the perfect fit, pushing lens away from the face for extra venting if desiredThe frames have been developed to work seamlessly with your helmet for maximum comfortThe arms easily and quickly detach from the lens, allows a lens change in secondsIncludes a soft case for lens protection on the moveFull UVA and UVB protectionAn optional RX insert is available for prescription lensesLimited lifetime warranty