Javelin Sun Sunglasses by Barton Perreira. Shape: Rectangle, Material: Titanium, Color: Black Satin / Smolder, Black Satin/Gold / Noir AR, Gold / Julelp, Matte Navy/Silver / Smolder AR, Pewter / Smokey Topaz, Silver / Steel Blue, Size: 56-15-148. The Javelin is a refined and sleek navigator unisex silhouette for the sophisticated explorer. The frame is crafted from ultra-lightweight titanium with the signature Barton Perreira crosshatch detailing at the temples. So, if you opt for an elegant metal frame for your next look, the Javelin glasses will be your perfect companion in life.