At first i didnt know if they would ware raw spots on my feet and that is want i was waiting for. I am typically a 6. And he says the discomfort goes away quickly after removing the headphones. This works perfectly. She puts the kimono on and reenters the forest. I will replace it with a stronger nail but we don?t have any. Sweat all you want. These headphones do a decent job reducing train & ambient noise but you can still hear the outside world (its a good amount quieter, but definitely still there). Update: 12/31/19 I bought the tan color. To G.