A pediatric air mattress adapted for therapeutic usage, including a first air bladder and a second air bladder each respectively including at least one plastic liner defining an outer edge about which the liners are sealed to define a first air chamber within the first air bladder and a second air chamber within the second air bladder. The mattress includes first and second two-way valves through which air is selectively imported to and exported from the first air chamber and the second air chamber, respectively. The first and second air bladders respectively define a first plurality and a second plurality of apertures therethrough. The second air bladder is attached to and superposes the first air bladder such that the second air bladder is supported by the first air bladder.