▁establishment ▁of ▁the ▁Illinois ▁State ▁Police , ▁ 6 7 ▁tro op ers ▁have ▁died ▁while ▁on ▁duty . ▁ ▁Un iform ▁ ▁The ▁uniform ▁of ▁the ▁Illinois ▁State ▁Police ▁has ▁certain ▁qual ities ▁that ▁separate ▁it ▁from ▁its ▁neighb ors . ▁ ▁Instead ▁of ▁a ▁ch oc olate ▁brown ▁uniform ▁( similar ▁to ▁the ▁Iowa ▁State ▁Pat rol ), ▁or ▁a ▁light ▁blue ▁on ▁dark ▁blue ▁( similar ▁to ▁the ▁Missouri ▁State ▁Highway ▁Pat rol ), ▁they ▁wear ▁light ▁tan / kh aki ▁sh ir ts , ▁and ▁dark ▁green ▁p ants ▁with ▁black ▁trim . ▁D ress ▁uniform s ▁include ▁a ▁jack et ▁that ▁matches ▁the ▁p ants . ▁The ▁cold ▁weather ▁g ear ▁incorpor ates ▁a ▁ch oc olate ▁brown ▁all ▁weather ▁jack et . ▁Le ather ▁duty ▁g ear ▁consists ▁of ▁black ▁high ▁gl oss ▁clar ino ▁hol sters , ▁bel ts ▁and ▁access ories . ▁ ▁The ▁hat ▁that ▁is ▁worn ▁by ▁the ▁state ▁police ▁is ▁a ▁dark ▁brown ▁campaign ▁hat . ▁ ▁The ▁bad ge , ▁instead ▁of ▁the ▁traditional ▁shield ▁sur mount ed ▁by ▁an ▁e agle ▁design , ▁is ▁a ▁six - point ed ▁star ▁that ▁reads ▁the ▁rank ▁of ▁the ▁tro oper , ▁and ▁the ▁words ▁" Ill inois ▁State ▁Police " ▁in ▁black , ▁along ▁with ▁( begin ning ▁in ▁ 2 0 0 2 ) ▁the ▁officer ' s ▁bad ge ▁number . ▁ ▁( The ▁bad ge ' s ▁sequ ential ▁invent ory ▁number ▁is ▁found ▁stamp ed ▁on ▁the ▁reverse