- Natural mineral glass lenses providing the clearest sight in the world

The Serengeti BACALL women’s sunglasses with mineral lenses feature chamfered edges and our 5 barrel hinges

Customer provided frames provide a savings and allows you the opportunity to bring your glasses to your next eye care visit and get a more precise measurement of the segment height

4mm  or  54x40

Maui Jim Kaiwi Channel 840 Sunglasses New - Natural mineral glass lensesMAUI KAIWI CHANNEL 840 Models: B840 03S, H840 25C, 840 11D, RM840 07C Lens Material: SuperThin (ST) Glass provides the absolute crispest optics available32% thinner and lighter than standard glass, with the best scratch and solvent resistance. Whether you paddle, swim, or canoe the channel that separates Oahu and Molokai, youll need serious eye protection and glare reduction. Our version of Kaiwi Channel offers both along with a comfortable, medium