Haven® Biscayne 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. Biscayne's sport design with vented frames help reduce fogging, provides optimal coverage with side lenses and BendToFit® temples for a customized fit. Model fits best over frames smaller than: 5" x 1-3/8". Tortoise frame.