ONOS performance sunglasses features high quality TR-90 Grilamid frame construction with a Lifetime Warranty. The lightweight material is extremely durable and is flexible enough to handle to survive the rigors of the active outdoor enthusiast while retaining its shape. Rubberized nose pads and arm stems provide a great fit without slipping. Lens construction is ophthalmic quality CR-39 Polarized lens that incorporates a Polarized filter which absorbs the horizontal light thus eliminating reflective glare which increases visual acuity giving you sharp, crisp,
glare-free vision with increased contrast and depth perception.