I wouldnt wear them too much, because they are not as durable. That might explain the scratches on the plastic parts. Im normally an 8. There was also a instruction booklet that I ignored because it was so easy to assemble. headphones. I like to ride with the confidence that the light is providing some protection, with this device you do not! However they won?t disappoint you. They install is a little tricky but easy once you get them lined up, definitely helps if you have two people. this one gets even more. Opposites attract and young love is the key to this story in The  Tenth Girl by Carrie Aarons.