Transformer Clear - Wood & Carbon Fibre GlassesThe multi layer two pin wood3 tech glasses are made using natural walnut, kosso and ebony wood with acetate tips. High quality 2: 3 claw spring hinge for comfort. Sold wth clear demo lenses or blue light blocking lenses. To purchase our clip on lenses they are available with the Transformer as a set and are made to fit, with TAC polarised blue or yellow RV tint. Multi layer wood3 frame & arms with acetate tip Wood3 technology = wood < carbon fibre >