The See Safe™ lens made of NXT™-Soft is soft and flexible, with the guarantee of being shatterproof for life. It is able to protect the eyes from impacts, cuts, and chemical and atmospheric agents. The soft, photochromatic and polarizing See Safe™ lens is used for the Stylus RH616 and Metheo RH631 eyewear models. Both models are fashionable, sumptuously sporty, ultralight and wraparound: ideal for all sports at risk of impacts.