Elie M Tortoise: retro tortoiseshell acetate sunglasses A retro acetate frame in tortoiseshell with a characteristically thick keystone bridge and slim arms featuring a contrasting matt black insert. Suits oval, square and triangular face shapes. Protection & lenses Category 3 lenses (100% UV protection) with a smoky grey gradient tint. Can be made to your prescription: send yours after ordering and our opticians take care of the lenses. What's in the box Quality check: every pair is inspected by our team before it ships. Standard: EN ISO 12312-1-2013. Included: protective case and microfibre cloth. Our eyewear accessories are available separately.