The frame C.leste glasses are made of Monel - an alloy of copper and nickel. It allows you to make your glasses resistant to corrosion and to be soft so that you can adjust them according to your face.
The branches are made of ultem - a resin with high performance properties. This material offers a elasticity associated with a resistance to deformation , which make it easy to bend the frame and then easily return to its original shape. It is up to 50% more lightweight than metal.
The glasses are made of TAC (cellulose acetate) - polymer natural obtained from extracts of cotton or tree pulp. This material is light and very solid , it offers certain security in the event of a fall or projection in order to accompany you in all your adventures.