Blackfin Knightsbridge is a precision titanium optical frame built for lightweight, all-day wear. Its milled single-block front and ultraflexible temples deliver a comfortable, adjustable fit for everyday use. Key attributes: Gray | Titanium | Ultralight | Hypoallergenic | Durable | Nickel-free | Biocompatible | Adjustable nose pads | Ultraflexible 0.5 mm beta titanium temples | Shortenable temples (patented temple tips) | Comes with hard case and microfiber pouch | Squared frame | Full-rim construction | Front milled from a single titanium block | Laser-engraved markings and serial number | Patented shortenable temple tips | Dimensions & fit: Frame width: 144 mm | Temple length: 160 mm | Lens width: 54 mm | Lens height: 38 mm | Bridge width: 19 mm | Size L (54 mm lens width) | Composition & care: Pure titanium (front) | Beta titanium temples | Wipe lenses and frame with a soft microfiber cloth; store in the supplied hard case or pouch when not in use; have nose pads adjusted by an optician if needed.