Outfit and Things

Outfit noun - Clothing chosen as appropriate for a specific situation.

Things is a synonym for outfit in thing topic. In some cases you can use "Things" instead a noun "Outfit", when it comes to topics like kit, gear, equipment.

Things noun - Any movable possession (especially articles of clothing).

Outfit is a synonym for things in thing topic. Sometimes you can use "Outfit" instead a noun "Things", if it concerns topics such as gear, equipment.