The plant-based, polarized Windsor sunglass packs light for the journey ahead, but hits heavy with its unmistakable shape and keyhole bridge. A lightweight Z-Resin frame, crafted from the castor bean and not petroleum, Windsor boasts ProFlex Rubber hits on the nose and temple tips, giving this timeless eyewear the slip-free adventure ready pedigree Zeal Optics is known for. Its Polarized Ellume lenses, which are also made from ecofriendly castor bean resin, provides unrivaled color, clarity, contrast and protection, making the world around you look as good as you do in these timeless frames. Explore in style with Windsor. Only by Zeal Optics.