Description
Serengeti “Joan” model number SS577003
Frame & Lens Specs
Frame Material Eco-friendly / bio-acetate / handmade acetate
Frame Color Shiny Crystal Fed Blue
Lens Type / Material Mineral Glass (ultra-light mineral glass)
Lens Features Polarized + Photochromic (light-adjusting) + anti-reflective + Spectral Control® technology
Lens Category Smoke / dark: Category 2 to 3 (depending on conditions)
Dimensions 53 × 20 × 140 mm — Lens width 53 mm, Bridge 20 mm, Temple (arm) length 140 mm
Base Curve 6X (or “6x”) curvature for the lens
Hinges 5-barrel hinges for durability






