I wanted to put things back up on the wall so there were no holes when I took them down. I would go up 2 sizes from your regular shirt size. She asks me to help her put them on all the time. Im unable to take advantage of the NFC (Near Field Communication) connectivity aspect of this because I have an iPhone. Can wear it on its own. However they are too big for my head. If you are a true while size then these may not work for you. The actual bit that the bike rests on is adjustable to both mens bikes and womens bikes. And if you really need not to wear headphones at work - yep these again. Also, reading the printed text next to them to see which is caps and which is num is impossible.