I know that's probably true for most people, but not on my head. I can't keep those headbands from slipping around on my head. It's just the way my head is shaped plus my hair and the fact that I'm short. I have tried every which way to get them to work for me and it only gets worse, not better. When I cut and tie them into loops I get a MUCH tighter, secure fit. YMMV.
Don't quote me on this because I'm not an expert, but another difference between the N95's and the KN95's is that N95s are rated by NIOSH for dry particles, not medical use, like the FDA ratings for KN95 masks with ear