GUCCI Gucci - Gucci's black square-frame sunglasses have a distinctly retro feel which channels the house's AW18 runway collection. They're Japanese-crafted from black acetate, ruthenium and gold-tone metal frames, then set with smoke-grey lenses that offer 100% UV protection. Note the red and green Web-stripes across the arms - a house detail originally inspired by vintage saddle straps. ACETATE