The Doctor's set

The Doctor's Clothes is a set of vanity items introduced in 1.0.5 patch, made up of the The Doctor's Shirt and The Doctor's Pants. They can be bought from the Clothier NPC during the night after a full moon.

These items are all equipped in the Social slots as they only provide a visual appearance.

Trivia

 * Doctor's Suit looks like a reference to the Eleventh Doctor from Doctor Who