With a 6.5 base cylindrical lens, the 026 and 026s models are full-lens sunglasses and therefore extremely light: 31 and 28 grams respectively. The models in question differ exclusively in size, where the "s" stands for "small" and indicates, as is easy to imagine, the smallest sized model. In detail, the standard model measures 153 mm in width and 58 mm in height while the one for smaller faces   + info