Barton Perreira "Armstrong" aviator sunglasses are crafted from ultra-thin Japanese titanium and feature a sleek double bridge design and crosshatch temple etching Eye/bridge/temple (in mm): 55-16-148 Gradient lenses Adjustable nose pads Thin, tapered arms Capped earpieces 100% UVA/UVB protection Made in Japan Proposition 65 warning for California residents