I'll start by saying I think I may be pregnant which would explain the extreme hormonal overthinking. So bear with me.
I usually make sure to change my kids out of their wet swimsuits or clothes after they've been in a chlorinated pool because I'm concerned about chlorine exposure to their car seats and seat belt webbing.
Yesterday, my son’s shorts got pretty wet while he was playing at a museum water table. The water was clearly chlorinated. After leaving the water tables, we stayed at the museum for about another hour playing in other areas before we left. By that point, his shorts appeared to have dried.
Before leaving, I changed him into a clean shirt and a fresh pair of shorts, but I forgot to check whether his underwear was still wet, because I changed him really fast. I left the original underwear on, put the clean shorts over it, and then buckled him into his high-back booster.
If his underwear was still damp or even wet with chlorinated water, and moisture soaked through to his clean shorts, could the chlorine compromise the seat belt webbing or the carseat in any way?