The Cipher Photochromic Sunglasses from Madison offer an impressive field of vision with polycarbonate lenses that’ll cover you in any weather or cloud cover and are photochromic to automatically adjust to changes in light conditions whilst offering protection from harmful UV-A and UV-B rays. Adorned with a flexible nose piece that allows you to dial in the perfect fit and non-slip rubber tips that ensure your sunglasses stay put, the Cipher Sunglasses have a TR-90 frame that is both lightweight and flexible, allowing them to bend without breaking. The interchangeable polycarbonate lenses are both impact and scratch-resistant, and can even be fitted with compatible prescription inserts so your vision is crystal clear wherever you go.

Features: 

• Photochromic lens: as light conditions change, the lens automatically adjusts from clear to dark
• Protects eyes from harmful UV-A and UV-B rays whilst maximising your view of the route ahead
• Multi-purpose: both versatile and stylish, these sunglasses maintain good looks on the road or trails
• Polycarbonate lenses: optics meet the highest standard for eyewear (ISO 12312)
• Interchangeable polycarbonate lenses are both impact and scratch-resistant
• Lenses offer both supreme optical clarity and UV-A and UV-B protection
• TR-90 frames: lightweight, flexible and durable - the frames flex and return to their original shape without breaking or bending
• Secure fit: frame works seamlessly with helmets, non-slip rubber tips for maximum comfort and security
• Flexible nose-piece allows you to dial in the perfect fit, adjusting for extra venting if desired
• Comes with a zip-up hard case to keep them safe when not on your face and to store spare lenses and the soft cloth
• Prescription: clip in compatible Rx inserts behind the lens to deliver full prescription vision
• Light filtration: photochromic lens offers Cat 1-3 light filtration

Size Dimensions:

• Lens width: 129mm
• Lens height: 56mm
• Frame width: 141mm
• Bridge height: 13mm
• Arm length: 127mm