Additional Information  improved acetate fiber technology. This material is noted for its improved shape memory, superior flexibility, and lighter weight compared to traditional acetate, contributing to a perfect fit over time. It's also BPA-free. Adjustable Nose Pad: A customizable rubber nose bridge ensures a no-slip and personalized fit. German Spring Hinges: These hinges are designed to eliminate pressure points, providing enhanced comfort. Vector™ Grip: This no-slip grip helps keep the frame securely in place during activities. Wire Core Temples: The temples (arms) have a wire core, allowing for an adjustable fit. Square Frame Design: The Brooks features a classic square frame design, offering a versatile and modern look. Medium Fit: The sunglasses are typically described as a medium fit. Additional Features: Accident Protection: Vincero Collective includes Day One Accident protection with every frame, offering a free replacement if the original pair breaks. Premium Hard Case: Each pair comes with a premium hard case for protection. Optional decoration of the hard case for an additional charge. Contact us for details. DSMCC - a fully sublimated decorated microfiber cleaning cloth can be included at an additional charge. Contact us for details. Prescription Ready (with optician): While not available online with prescription lenses, the frames can be fitted with prescription lenses by a local optician. Actual Size: 52mm lens - 18mm bridge - 140mm temple