O'Neill Barrel Polarized Sunglasses With wrap-style frames and a stylish unisex design, the O'Neill Barrel Polarized Sunglasses are stylish, comfortable and a perfect fit for all outdoor enthusiasts. You will look and feel great wearing them in any weather and during any outdoor activity. The Barrel's frame is comfortable and lightweight, hugging the face and temples to inhibit light entry from the sides, and its lenses are manufactured from TAC Polarized material. Lenses: Trying to be eco-friendly Let O'Neill help—the Barrel features polarized lenses manufactured from natural, renewable materials, mainly eco-polymers from cotton & wood cellulose. With glare protection from the sun both on water and in snow, they're perfect for all outdoor activities and weather conditions. 1mm Triacetate Cellulose (TAC) technology for superior visual and polarization clarity Glare-free vision Optimal visual acuity 100% UVA+B protection High durability Anti-scratch technology Frame: The frames are built with durability in mind, made from a TR90 material. All ONeill Grilamid TR90 and cellulose acetate frames feature a five-barrel-hinge design. This lightweight, flexible and durable plastic resin is heat resistant and maintains its shape for a consistently great fit. It is resistant to all UV light, protecting your frames from the bleaching effects of the sun. With a classic design and water-minded technologies, these sunglasses are stylish, sporty, and look great on everyone!