The amber lens tint helps improve depth perception and contrast.
- Unisex Rectangle Sunglasses in Tortoise with Amber Lenses by Foster Grant - Nomad Haven® Fits Over Sunglasses are designed with premium materials and feature Optify™ lens technology.Unisex Rectangle Sunglasses in Tortoise with Amber Lenses by Foster Grant - Nomad Haven® Nomad Fits Over Sunglasses provide eyeglass wearers with ultimate polarized 100% UVA-UVB lens protection combined with unparalleled quality, craftsmanship and styling. Nomad's classic brown matte-tortoise rectangle shape provides contemporary styling with side windows for a sleek modern look. Model fits over glasses frames no larger than: 5-3/8" wide x 1-3/4" high / 139 mm x 47 mm 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.