The frameless Stealth offers a huge range of vision and maximum eye coverage. The sleek design works great for all types of riding and really excels on the road where the huge vented shield lens keep heat build up and fogging to a minimum. Features: Polycarbonate Lenses: Optics from Madison meets the highest standard for eyewear; ISO 12312. The interchangeable polycarbonate lenses are both impact and scratch-resistant. The lenses offer both supreme optical clarity and UV-A and UV-B protection 3 lens options: Main Lens Pink Rose Cat 1 or Fire Cat 3 an Amber lens suitable for Medium-Light conditions and a Clear lens suitable for Low-Light conditions Multi-Purpose: Both versatile and stylish Madison Optics maintain their good looks on the road or trails TR-90 Frames: TR-90 plastics are lightweight flexible and durable. TR-90 plastic memory allows them to flex and return to their original shape without breaking or bending Secure Fit: Our frames work seamlessly with your helmet with non-slip rubber tips for maximum comfort and security. The flexible nose-piece allows you to dial in the perfect fit adjusting for extra venting if desired Soft Pouch: We have included a soft pouch for lens cleaning and protection on the move. An optional RX insert is available for prescription lenses Size Spec: Lens Width: 132mm Lens Height: 53mm Frame Width: 145mm Bridge Height: 14mm Arm Length: 118mm Limited Lifetime Warranty: At Madison we pride ourselves on offering an excellent product with aftercare to match. That's why this product is covered by our Limited Lifetime Warranty