Blackfin ST. JOHN Optical Frame pairs precision-milled titanium construction with ultraflexible temples for an imperceptibly light, all-day comfortable fit. Key attributes: Gunmetal gray | Olympic blue | Titanium | Hypoallergenic | Ultralight | Durable | Ultraflexible 0.5 mm beta titanium temples | Shortenable temples with patented temple tips | Includes hard case and microfiber pouch | Round pantos silhouette | Full rim frame | Front milled from a single titanium block | Handmade coloration | Laser engraved serial number | Dimensions & fit: Lens: 51 mm | Bridge: 19 mm | Temple: 145 mm | Composition & care: Titanium | Beta titanium