langevin sun Promo3x1 a polymer with elastic fibres

a polymer with elastic fibres that incredibly increases their resistance to torsion and flexion

The Picasso glasses are made of added polycarbonate

Model: TWIG LangevinGender: UnisexFrame: Added polycarbonateLenses: PolycarbonateType: UV 400 protectionTWIG packaging

Bauman glasses are made of added polycarbonate

The Delacroix glasses are made of aggregate metal

langevin sun Promo3x1 a polymer with elastic fibresThe Langevin glasses are made of added polycarbonate. The polycarbonate (PC) is a material with very high mechanical resistance but with limited dynamic resistance. For this reason, our glasses are produced by adding a percentage of ABS to the virgin PC granules, a polymer with elastic fibres that incredibly increases their resistance to torsion and flexion. Furthermore, thanks to the temple flex equipped with a spring mechanism, they are comfortable