Not only are there multiple colours available, the size and shape are completely customizable. And because it is designed for you and only you, the frame is very comfortable.
According to Specsy.com, the "nylon frames are incredibly durable and impact resistant, while being one of the most lightweight frames you've ever worn, at just 6 grams or 1/5 of an ounce!" They also stand by their product with a 2 year manufacturer warranty.
CLICK HERE TO DESIGN A SPECSY FRAME