The Underwear Outfit is, as the name states, an outfit in Grand Theft Auto: Liberty City Stories. It is one of the 16 unlockable outfits avaliable to the player.
The Underwear Outfit consists of white boxer shorts with red spots, and grey socks. It is unlocked after the completion of one Unique Stunt Jump. After the completion of one Unique Stunt Jump, the outfit will spawn at Toni's three safehouses and it will be free for the player to don anytime. Changing into the outfit will remove up to a two star wanted level.