Gucci Eyewear Gucci Gg0024s Havana Sunglasses, Monokel’s Barstow sunglasses put a fresh spin on Polarized tortoiseshell with its light tan-tone. Sporting a hard-wearing frame – Tort’s made from premium plant-based acetate – and Carl Zeiss Vision® lenses, you'll be protected from the sun all year round with these shades.