I'm not sure if those exact ones are still sold by Oakley, but here is a link to the current products sold by Oakley that are protective eyewear as well as looking great.
Never wore the ESS, but did wear the Oakleys for years in a tactical environment. I do like the full range of vision they provided. I barely noticed they were there and I hate wearing glasses or sun glasses.
i think its snowboarding equiptment. its like to make a statement i guess