Lab 10 is a slim rectangular silhouette fitted with UV-protective photochromic lenses that darken within 60 seconds of being exposed to sunlight. Characterized by clean lines for a sharp look, the solid frame is handcrafted in premium Acetate Renew™, composed of 42% bio based and 28% certified recycled plastic with a customized CHIMI metal core. Each pair comes with a branded case, pouch and cleaning cloth.