To provide a pair of overalls capable of easily keeping the body temperature of an infant and easy to attach and detach in a condition of letting an infant ride or be seated on a baby car, a child sheet, a train or many kinds of bench sheets.

This pair of overalls has at least front and rear 2 single cloth pieces in which portions of both the sides of a body part are sewn and united, a section from the upper neck part to both the shoulders are made open, and lower front and rear 2 pieces are made free. Furthermore, the overalls have on the inside of the front single cloth piece, a pocket united with the main body, divided into both the sides and having a cylindrical shape of a bag body for holding both the legs.