Cutter & Buck Riviera Polarized Golf Sunglasses, Tortoise Premium polarized polycarbonate lenses provide increased visual acuity with maximum glare and sun protection (100% UVA & B) Photo Chromatic Lenses get darker as the sun gets brighter, ideal for early morning, midday and early evening activities AR (Anti Reflective Treatment) eliminates glare and reflection of light on the back side of the lens providing an extraordinary vision quality Super hydrophobic lens treatment beads and repels water instantly ensuring perfect vision in wet conditions Adjustable rubber nose pad easily adjusts to form the perfect fit