Fashionable products are those things that are popular among people and well accepted by common customers in the market. I don’t think I, myself, have any relationship with fashion. I don’t really care what is in vogue and what is out of date in my daily life. I even keep distance from the fashionable world on purpose. But an incident happens to totally change my mind and I gradually realize what is the real meaning of fashion. The story can be dated back two moths ago when I got a glimpse of a pair of men’s prescription glasses on my friend, Leo. (more safe glasses…)