-Strong and light-weight TR90 design. -Photochromic,Anti-Reflective,Polarized,UV400. -100% Polarized Advanced resin HD polarizing lenses. Offering superior glare protection, perfect for fishing, driving, hunting, riding, kayaking or every day use. -Stylish Italian design with polycarbonate lenses (not cheap plastic. Polycarbonate is up to 10 times more impact-resistant than glass, plastic, TAC or CR39 lenses.). -30 day money back guarantee. 2 Years warranty / 30 days moneyback guarantee
TR90 was produced through Swiss technology as a thermoplastic material that is incredibly durable, flexible, and lightweight. Glasses made with TR90 are extremely comfortable because they have a flexible quality. Since they are flexible, they can bend under pressure and contour your face comfortably.