Running With Your Back Pack Wet?

i don't fill it with too many things. It's just like extra set of clothes and a laptop, which fits into the laptop sleeve part of it. And then the other things are in this small pocket that has like less bounce room. We i feel like, the few times i've ran with the back pack, with like the chest strap and like, bing it suber tight, i feel like the the back pack straps rub against my neck and lik, potentially give me like a rash. So there is just like, no winning. Have you gotten around that girtle nicks? Obut then it's like, hot o gay. To be fair, i do