5 sometimes wide, which is hard to find, so I usually wear mens 10. Now the pairing was fairly simple on one phone both buds (right and left ) shows up but only one will pair. They are a fantastic value for the price! The velcro side opening is fantastic. 5 hours playing music at volume between 35 and 50% for a total charge lasting 4. I assumed something about the original was faulty and didnt mind buying replacements, but for the exact same problem to happen within a month is ridiculous. Pros:- I love the color (Kmohol019-blue)- It fits me really well (medium). The nine year old asked for this style and we obliged. I ordered a 9W and 10W, since I taker a 9 1/2 in Brooks shoes, and the 9 turned out to be perfect. They delivered my shoes.