USWING Eyewear BIRDIE PRIME 01Uswing Glasses: Where Performance Meets Style ! Feather Light at 21 Grams: Elevate your golf game with the Birdie Uswing Glasses, weighing in at just 21 grams. Designed for golfers who appreciate both style and substance, these glasses won't weigh you down during those long rounds. Feel the difference and stay at the top of your game. Stylish Black Colored Frame: Make a statement on the course with the Birdie Uswing Glasses' sleek and stylish black