The Smith Touchstone Sunglasses are a sharp looking pair of shades whose strong styling define total confidence. Offering large coverage, this Smith sunglass reaches a new level of comfort and visual performance. The Touchstone Sunglasses feature TLT Polarized Glass lenses which protect your eyes from harmful UVA/B/C rays while keeping your vision distortion-free and optically precise. The 8 Base Curve of the Touchstone lenses provide just enough wrap to protect you from the elements while still looking good. Constructed in a light TR90 Grilamid frame, these Smith glasses stand up to the rigors of your day to day. Great features like spring hinges and Megol covered contact surfaces ensure a comfortable, secure fit that won't slip off your face. Make the Smith Touchstone Sunglasses the standard shades you reach for on a sunny day.