Smith Sunglasses the Super Method are a handcrafted Grilamid TR90 Nylon frame providing a Medium fit w/ large coverage. Featuring Carbonic Lenses made from the most impact resistant lens material & Tapered Lens Technology correcting distortion by progressively tapering the lens thickness ensuring that light waves travel directly to your eye. Generating precise vision & reducing potential eye fatigue with 100% UVA/B/C Protection. Frame: Black Lens: Polarized Gray