Vans Dunville Unisex Sunglasses | Matte Black The Dunville Sunglasses are 53% polycarbonate, 47% cupronickel retro sunglasses with 100% polycarbonate lenses and UVA/UVB 400 protection. They are super stylish and durable and will ensure a hassle free day. Match these bad boys with all your other van essentials! Features    Frame: 53% Polycarbonate 47% Cupronickel Lens 100% Polycarbonate Vans Dunville Sunglasses - Matte Black