Eliminar kevlar o assault suit on trigger.

Method 1:

I think you will need a “logic_script” entity activating a vscript. In this vscript you will set up the “mp_free_armor” value from 0 to 1

https://developer.valvesoftware.com/wiki/Logic_script

Method 2:

Using a “player_weaponstrip” entity + trigger_multiple brush

Method 3:

Using a trigger_hurt with damage=0 and damage cap= 99 (or something like this)

*not tested methods