Blackfin Nashville Optical Frame pairs a single-block titanium front with ultralight, hypoallergenic construction for comfortable all-day wear. The squared silhouette and contrasting interior colour add a distinctive, modern touch. Key attributes: Black | Gunmetal gray | Olympic blue | Titanium | Ultralight | Hypoallergenic | Biocompatible | Durable | Ultraflexible beta titanium temples | Shortenable temples with patented temple tips | Laser-engraved serial number | Includes hard case and soft microfiber pouch compatibility | Squared silhouette | Front milled from a single titanium block | Contrasting interior colour | Handmade colouring | Dimensions & fit: Lens/Bridge/Temple (mm): 55-16-145 | Weight: 11.7 g | Composition & care: Titanium | Beta titanium