SUSTAINABILITY MEETS STYLE.New to the S/S 2015 line, the Prescott Fifty/Fifty projects a calm, confident appeal. Its sweeping, raised browline and rectangular lenses come together to create an ideal unisex frame that makes a tastefully bold statement.The Prescott Fifty/Fifty looks best on Round, Square, Oval, and Rectangular face shapes.Strong and forward-looking, the Prescott projects a calm, confident appeal. Unrivaled Clarity: Optics by Carl Zeiss Vision" CR-39 or polarized lenses are fitted to all Shwood models. Lens features include 100% UVA/UVB protection and superior coatings for a perfect blend of comfort and protection. Made From Nature: Cellulose acetate is a natural and renewable material derived from cotton and wood pulp. Lightweight and extremely strong, this environmentally friendly material boasts a unique warmth that can only be found in nature.