The Giro Millie Goggles are designed with a slightly smaller women's specific frame to help you see clearly on the mountain. With Giro's premium VIVID lenses with optics by ZEISS, they have supreme contrast, clarity, and smooth style. The Millie fits nicely over glasses, is compatible with all Giro helmets, and features a ton of colorways to match your style. Give this glass a friendship bracelet, you're sure to get along great!