The Tifosi Swick Sunglasses feature shatterproof polycarbonate lenses, providing 100% UVA/UVB protection to keep your eyes safe from harmful UV rays. The lenses have exceptional clarity and durability, along with an ultralight frame weighing only 26 grams and made from durable Grilamid TR90 material. It features an integrated hinge design that won&';t pull your hair, hydrophilic nose pads for increased gripping, and Tifosi Glide technology, which allows the frame to slide on comfortably and ensures a no-slip fit.