What Our Gearhead(R) Experts Are Saying: "The polarized lens cuts glare and enhances clarity, making these a must-have for bright rides. The helmet-friendly fit and grippy temples keep them secure, and the durable frame holds up to the demands of road and trail riding."Built for riders who demand precision vision and all-day comfort, the Memento Polarized Sunglasses combine glare-reducing optics with a lightweight, durable frame. The 1. 8mm cylindrical lens delivers a supreme field of vision with high-impact resistance, while the polarized coating minimizes glare for clear sightlines in bright conditions. The TR90 Polyamide frame is designed for long-lasting wear, offering fatigue resistance and a helmet-friendly fit. Hydrophobic and oleophobic coatings keep the lens free from water and smudges, and the grippy temple inserts ensure a slip-free hold no matter how intense the ride.