Signal embodies a timeless classic design infused with modern optic technology. This model captures the spirit of exploration and adventure offering unparalleled durability and comfort. Featuring performance oriented polycarbonate lenses you get great optical clarity along with full UVA and UVB protection 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 Polarised Lens: Featuring polarised lenses that are designed to reduce glare and improve visual clarity off surfaces like water snow or roads. Benefits include enhanced contrast more vibrant colour and reduce eye strain especially in outdoor activities like fishing and cycling Oleophobic Lens Coating: Designed to repel water this advanced coating prevents rain droplets from obstructing your vision ensuring clear sight even in wet conditions. Additionally the oil-resistant finish minimises fingerprints helping to keep your lenses clean Multi-Purpose: Both versatile and stylish Signal sunglasses are universally stylish whenever you choose to wear them 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 feature non-slip rubber pads for maximum comfort and security 3 Lens pack: Contains a Cat. 3 tinted lens for bright conditions a Cat. 3 bronze mirror lens for medium-light conditions and a Cat. 1 yellow lens for low-light conditions Lenscare: All our sunglasses come with a storage pouch with drawstring closure that doubles as a cleaning cloth Size Spec: Lens Width: 63mm Lens Height: 41mm Frame Width: 140mm Bridge Height: 10mm Arm Length: 122mm 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