Abstract: Vented waterproof baby pants that includes a main body section of waterproof material and has a top opening, leg cut outs, front and rear panels, each panel having opposite side edges extending between the top opening and the respective leg cutout, the adjacent side edges of each panel being joined by a heat seal seam, and elastic bands and open mesh backing strips sewn to the main body section to extend around the top opening and the leg openings. In one embodiment the main body section is provided with a plurality of transversely spaced apertures adjacent to and along the main body section top edge and the leg cutout edges that are on either transverse side of each of the side edges. In the second embodiment parts of the top edge at each transverse side of the waist opening and parts of the edges of the leg opening edge are secured together to provide side gussets. A plurality of vent apertures are provided in the side gussets to open to the interior of the pants.