HELEN Eyeglasses by Gotti. Color: Tobacco – yellow gradient, Cognac – brown gradient, Smoke – black gradient, Black – yellow inside, Bordeaux – coffee gradient, Cappuccino brown transparent, Size: 53-18, Material: Acetate, Collection: Gtti Switzerland.. Gotti’s Helen eyewear brings modern elegance to an easy, everyday shape. The softly rounded rectangle silhouette is sculpted in hand-polished acetate and enhanced by nuanced ombre shades. The final look feels both refined and approachable. The Helen frame offers just-enough presence for meetings, travel, and evenings out.