Learn more about Costa Sunglasses Costa Piper 580G Polarized Sunglasses have a refined style inspired by classic pilot sunglasses, built on a strong yet lightweight titanium and beta-titanium frame. These smaller-than-normal Costa aviator sunglasses have 580G LightWAVE polarized glass lenses for maximum clarity, reduced glare, scratch resistance and a lightweight feel thats 20% thinner and lighter than standard glass lenses. Hydrolite nose pads and temple sleeves hold eyewear in place with a secure, nonslip fit. Costa Piper 580G Polarized Sunglasses are great on land or sea, with 100% UV protection and sleek, teardrop-shaped lenses. Includes cleaning cloth and case. Handcrafted in USA. About your Costa lenses: Green Mirror Encapsulated mirrors enhance visual acuity and eliminate glare (copper and amber base). Cancer and Reproductive Harm- www.P65Warnings.ca.gov. Type: Polarized.