Contray to the conventional world Oakley don't think performance should be sacrificed for style although that is a must have by product! Oakley created SPIKE. by putting their HIGH DEFINITION OPTICS® (HDO®) into a true fashion original. They used C-5 alloy for a comfortable leightweight fit and supple UNOBTAINIUM®. Oakley think that it is all part of a design language that needs no interpreter. SPIKE is just a vision realized that form and function can be the same thing.