I have owned over 15 pairs of headphones and these are the ones I have found to work best in terms of durability, hearing quality, price, and fit.
Panasonic makes a very quality product and this earphone works awesome for the gym, and the wallet..It is super durable (has lasted me about 8 months now) and is very loud..base isnt great but cant expect much when u are only paying a few bucks
Sony is a pretty good product too but I found most of their items to be a little bit on the expensive side. I picked these up at wal mart for like 10 bucks and they worked a solid 6 months - running/sweating while working out. I wore them every day
Audio Technica is a brand Ive never even heard of but I compared these with my friend's Beats by Dre and they sound a notch or two better, and alot cheaper...check them out