SOLIS - Free in edition.
Mountings out of plastic polycarbonate, glasses come clipser in front mountings. The branches are articulated by a blade arises. It is also used as structure with the branches, those are moulded of a silicone synthetic rubber. This characteristic leaves the glasses all the time closed when they are not used. However, during their use, the branches come in light pressure on cranium what allows one maintains more powerful.