Just out of curiosity to those that said the e2c/e3c's were too big for their ears.. have you worn apple's? Just trying to get an idea for size.. because Apple's stock phones fit well in my ear, and I was just curious if that would translate to a good fit by the Shure's (though I know it's not a totally accurate comparison).
I'm 6'2" and Apple's old earbuds work well for me (w/o the black cover), they never fall out unless it's below freezing out the cord turns stiff. The never fall out despite the fact that I run with them regularly.
Sure e3c however always fall out. Rather, they work their way out. I do know how to open my ear canal and insert them properly (which is a sight on a cramped airplane) but unless I'm using the foam sleeves the buds will work their way out quickly, usually within fifteen minutes.