Includes Authentic Replacement Lenses + Cleaning Kit Frame Comfort and Fitment: This replacement lens is designed for medium-fit Oakley Flight Deck M goggles, ensuring a secure and comfortable fit. With a light transmission of 90%, it is ideal for snowy and overcast conditions, offering improved depth perception and clarity in low-light environments. ✅ Non-Polarized Lenses with UV Protection & Natural Clarity: These lenses are non-polarized, offering full UV protection while maintaining natural color perception—great for everyday outdoor use. Care and Secure Kit: Includes an Oakley microfiber bag with Oakley leash to keep your sunglasses clean, secure, and always close at hand. ✅ Eyewear Care Kit Included for Easy Maintenance: Comes with a microfiber cloth, lens spray, and mini screwdriver—everything you need to clean, adjust, and protect your sunglasses. One size definitely does not fit all, especially in over-the-glass (OTG) goggles. The Smith Showcase OTG goggles are designed specifically for smaller adult faces looking for eyeglass compatibility. Their semi-rimless frame provides a wide field of view, while our ChromaPop lens tech brings enhanced contrast and color definition to every light condition. The whole idea behind wearing goggles is for the best vision possible. You might as well get the fit to match.