60s-inspired sunglasses feature glare-reducing polarized lenses and ProFlex grip insets at the nose and temple tips so they stay in place. All Zeal Optics sunglasses - including frames and lenses - are made from plant-based bio resins instead of petroleum-based resins. Color(s): aqua green gloss, black gloss, black plaid, blonde tortoise, demi tortoise, matte demi tortoise, rose gloss, sky blue gloss, white gloss. Brand: Zeal Optics. Style Name:Zeal Optics 61Mm Polarized Plant Based Sunglasses. Style Number: 461584. Available in stores.