Ray-Ban Clubmaster Optics - Black Frame 53-21

The '53' indicates the lens width in millimeters, and '21' indicates the bridge width in millimeters. This is a standard sizing convention for eyeglasses.

The product description indicates 'Clear lenses', which typically means they are not polarized unless specified otherwise. Prescription lenses can often be polarized by an optician.

Yes, the frames are designed for prescription lenses, but you can opt for non-prescription clear lenses or even tinted lenses from an optician.

Warranty information is typically provided by the retailer at the time of purchase. Please check your order details or contact the seller for specific warranty terms.

Yes, the Clubmaster Optics frames are generally compatible with progressive prescription lenses, but it's best to confirm with your optician during the fitting process.

Wipe the frame gently with a soft, dry cloth. Avoid abrasive cleaners to preserve the finish.

Visit an optician for professional adjustment. They can gently bend the temples or nose pads for a perfect fit.

Clean lenses with the provided microfiber cloth or a lens cleaning solution specifically designed for eyewear. Rinse with water if heavily soiled before wiping.

Monitor settings can affect color perception. Refer to product images and descriptions for the most accurate representation. Contact customer support if discrepancies are significant.