Epoch Eyewear Epoch 6 Smaller Faces Sunglasses, Frame and Lens Choices. Epoch6 Plastic polycarbonate lens Lenses are shatterproof 100% UVA/UVB protective polycarbonate Geared more toward smaller faces. Rubber nose pieces prevent slipping 2 Lens Choices: Smoke Lenses are great in bright conditions or for eyes sensitive to the sun. Amber driving lenses are great in low light conditions, they increase clarity and relax the eyes Lenses exceed ANSI rating. Light weight frames Color: Black Frame/Smoke Lens