Ray-Ban continues to innovate in the Tech line with the RB8312 carbon fiber sunglasses. Featuring a sleek, rimless design in adjustable rubber - strengthened by carbon fiber, the RB8312 sunglasses bring new style and comfort to technology. Carbon fiber"s natural resilience and durability allow the temples to be flexed repeatedly and still return to form. The RB8312 sunglasses look great on all face shapes and are also available in polarized options.