Flip Up Sunglasses with Polarized Lenses by Ideal Eyewear - Great for Cycling, Baseball, Fishing, & Hiking Flip Up Sunglasses with Polarized Lens by Ideal Eyewear Polarized lenses to eliminate glare. Blocks 100% of ultraviolet rays Lens quickly & easliy flips up or down when needed Light weight for all day comfort. Weighs less than 1 oz. Great for Cycling, Baseball, Fishing, Hiking, Yard work, & more