Here is the link to the suit: xcoser® Dead Cosplay Pool Wade... https://www.amazon.com/dp/B01CRQBROW?ref=ppx_pop_mob_ap_share

Used some sand paper and a flathead screw driver to stress and create “cuts and bullet holes”. Then any black fabric paint to overlay the stress marks. (Once you apply the fabric paint wipe down with a rag or something so it looks faded rather than painted).

Hope this helps!