The Blackfin Dover Optical Frame pairs ultralight titanium engineering with a squared silhouette for comfortable, everyday wear. It’s designed for precise fit and lasting durability. Key attributes: Black | Olive green | Titanium | Hypoallergenic | Ultralight | Durable | Nickel-free | Biocompatible | Ultraflexible beta titanium temples | Shortenable temples with patented tips | Includes hard case and microfiber pouch | Squared silhouette | Front milled from a single titanium block | Hand-finished coloration | Dimensions & fit: 39 | 53 | B4 | 138 | 145 | Weight 10.1 g | Composition & care: Titanium | Beta titanium (temples)