Haven® Balboa Premium Fits Over Sunglasses provide eyeglass wearers with ultimate polarized 100% UVA-UVB lens protection combined with unparalleled quality, craftsmanship and styling. Haven® Fits Over Sunglasses are designed with premium materials and feature Optify™ lens technology. Balboa's fashion shape provides contemporary styling without side windows for a sleek modern look. The grey lens tint is perfect for those sunny days. Model fits best over frames smaller than: 5-1/8" x 1-3/8" .