How do you use the swimsuit in Tomb Raider legend?

In "Tomb Raider: Legend," the swimsuit is an unlockable outfit for Lara Croft that can be accessed after completing the game. To equip it, go to the "Options" menu, select "Costumes," and choose the swimsuit from the available options. While it doesn't alter gameplay mechanics, it offers a fun visual change for players who enjoy exploring the game with a different look.