The TIR Uniform is clothing found in Dead Rising 2. To unlock this requires five million dollars earned total through Ranked matches of Terror Is Reality Online. Only the yellow outfit is unlocked. This does not need to be all earned in one consecutive session, nor do you have to keep the money without cashing out. Simply earning five million dollars total will unlock this uniform. After it is unlocked the player can find it in the locker at the safe house restroom.
In the PC file Items.txt this outfit is called TIROutfittDispenser and TirOutfitDispenser
The TIR Uniform was featured in "Monster Hunter: Frontier" as available costume. Those who bought a japanese copy of "Dead Rising 2" were given either a redeemable Xbox360/PC code to receive it. It's even more stranger that the costume's female variant make it's first appearance in the game as well.