You can't put a price on a good pair of shooting glasses, you also can't be sure what conditions you will encounter on the range. That is why Beretta's Trident Shooting Glasses with 3 interchangeable lenses are the perfect solution.
YELLOW: This lens is perfect for poor atmospheric conditions, suited to fog and dull days.
RED: This lens suits bright conditions, making it easier to spot your clay when the sun is in full force.
GREY: All-rounder. Good for a wide range of conditions.