Model fits best over frames smaller than: 5-1/8" x 1-3/8".
The grey lens tint is perfect for those sunny days. Women's Butterfly Sunglasses in Black with Gray Lenses by Foster Grant - Balboa Haven® Balboa Premium Fits Over Sunglasses provide eyeglass wearers with ultimate polarized 100% UVA-UVB lens protection combined with unparalleled quality, craftsmanship and styling. Balboa's fashion shape provides contemporary styling without side windows for a sleek modern look.For every pair of Foster Grant® glasses you buy, a pair of reading glasses will be donated through Giving Back to people in underserved communities around the world.