Blackfin Oceancrest Optical Frame combines ultralight titanium construction with ultraflexible temples for comfortable, precise everyday wear. Designed for reliable fit and handcrafted color details. Key attributes: Tropical blue | Shadow dark blue | Titanium | Ultralight | Hypoallergenic | Durable | Biocompatible | Nickel-free | Ultraflexible 0.5 mm beta titanium temples | Shortenable temples with patented temple tips | Includes hard case and microfiber pouch | Laser-engraved serial number | Squared aviator shape | Bi-level front milled from a single titanium block | Handmade color finish | Dimensions & fit: 42 | 56 | B4 | 141 | 145 | weight 10 g | Composition & care: Titanium