BUSINESS: Going Green: GREEN Lines SD Eyes Debuts C-Zone Collection Featuring Bio-Based Styles By Staff Thursday, November 9, 2023 8:15 AM What’s New: SD Eyes is introducing the Autumn/Winter 2024 Collection for C-Zone. This new collection includes 26 styles.What’s Green: A number of the new styles are constructed from bio-plastic, as well as from steel, the most recycled material in the world. What to Know: The new C-Zone Collection is fresh, fun and colorful.sdeyewear.com