Had a surgery about a month ago and was ordered by my doctor to wear them during the healing process. I'm all healed up but now I feel so uncomfortable not having them on lol. Something Something Stability and protection .
It depends on how stiff your jeans are or what the seams/pockets are like, and how sensitive your skin is, but they're perfectly comfortable with jeans and pants of all types and fabrics. Source: wearing some right now.
But I mean if you're prone to ass sweat then yeah jocks aren't the ideal setup for you, no