I was a bit sceptic to buy crocs- I mean the original styles are UGLY- these are nothing like that.  They are super cute and I get many compliments.  They feel cushy yet supportive.  I can run around in them, garden, go to the beach all much easier than flip flops, which is what I previously wore.  These actually have decent traction.  I've used these walking around quite a bit and no pain or overly sweaty feet.  As for the size, I'm usually a 9M and my toes just touch the end, which isn't a big blister causing issue because they stretch out.