NORTHPORT Eyeglasses by Blackfin. Color: Black Ink/Army Dark Green, Burgundy Red/Tuscany Red, Deep Turquoise/Crystal Teal Green, Paprika Orange/Storm Navy Blue, Ultramarine Green/Dahlia Purple, Size: 48-20-145. Venture into new style territories with the Blackfin NORTHPORT, where innovative design collides with precise craftsmanship. This lightweight frame is made of a single sheet of titanium, which explains the incredible robustness and lasting comfort it provides. The unique colorways offer a touch of individuality, giving you a boost of confidence and flair. Wear the NORTHPORT and leave a lasting impression wherever the day takes you.