2547 Glasses by Lindberg. Color: 10, 20, 25, 30, 35, 60, 70, 75, 77, 80, 85, 90, 95, GT, U12, U13, U16, U9, Size: 47, 49, 51, Bridge: 22, Temple Length: 145, Temple Design: Basic. The LINDBERG 2547 brings a modern twist to aviator frames, with its narrow wire bronzed bridge and light titanium build. Its fine-rimmed lenses and slim temples offer everyday versatility. Elegant and durable, this frame from the Spirit Titanium Collection stays secure during day-long wear. A seamless companion for those with refined, active lifestyles.