I ordered a 9 because I wear a 8 in a half but I wish I would if ordered the 8. zero drop outs on 3 mile runs. Functional for what I needed. I love how uniform my closet looks with them and my clothes actually stay on the hanger without falling off. The earbuds lasted one day. Not the case for me. You can hear good mids and highs - though they are certainly more reserved. I like to how I can lower the mic up and down so I dont have to worry about breaking it, cool little feature is the mic can also bend due to the middle part is rubber. 5 size for a size 10, same shoe, same width. They came charged about 85%, which was great, so I used them right out of the box!