A full suit is a suit covering the whole body of the wearer, much like mascot costumes in themeparks. This often carries a temperature problem, because undergarments are also worn under the suit for various reasons (like containing sweat or covering up accidentally showing skin). Sometimes extra clothings like T-shirts or vests are worn over the suit.

Most likely a full suit is made of the following parts:

but it might also be sewn together as a one-piece suit or a one-piece suit with an extra head