
Replacement clear lenses for all Helix Optics. Before the creation of NXT optical lenses such as sunglasses were not impact resistance. & could cause serious injury to your eyes if the lenses were to crack or shatter. Now with a breakthrough in technology there is a universal solution for the optical market. NXT is made from soft flexialbe & comes with a shatterproof guarantee. It protects the eyes from impacts cuts scratches chemical & atmospheric agents. NXT is the greatest innovation in the past 40 years in the field of unbreakable transparent optical polymers.