Check out this Eco friendly model from Von Zipper. The frame is made from Caster bean oil, strap made from hemp and fleece face layer made from bamboo!  Plus, it includes 1 yellow chrome bonus lens for flat light days. 

Features include:                       

• 100% UV Protection


• Anti-Fog coated


• Bonus Project Flatlight Lens


• Environmentally Friendly


• Thermopolyurethane injection frame


• Wide peripheral vision  


• Compatible with most helmets   

For more information: http://us.vonzipper.com/products_style.php?style_id=51#inc/style_content.php?active=7&style_id=51#7