Blackfin Sable Optical Frame blends ultralight titanium construction with a geometric silhouette for comfortable, everyday eyewear. The design focuses on flexible fit and handmade color finishes for a refined look. Key attributes: Brown | Burgundy red | Shadow dark blue | Titanium | Ultralight | Hypoallergenic | Durable | Biocompatible | Nickel-free | Ultraflexible temples | Shortenable temple tips | Includes hard case and microfiber pouch | Geometric silhouette | Handmade color finish | Front milled from a single titanium block | Dimensions & fit: Lens widths: 50 mm, 54 mm | Temple lengths: 140 mm, 145 mm | Weight: 9.1 g | Composition & care: Titanium | Beta titanium