Insulated refrigerator door construction

An insulated refrigerator door which is designed and arranged to enable the natural flow of air from the lower interior of the refrigerator up through the door insulation and back to the upper interior of the refrigerator, said insulated refrigerator door comprising:

• an outer door panel;
• an inner door panel defining therein a plurality of vent holes positioned in a series across the lower portion of said panel and a plurality of vent holes positioned in a series across the upper portion of said panel;
• and
• an insulation panel disposed and filling the cavity between said inner and outer door panels and including a flexible permeable layer positioned adjacent to the interior surfaces of said inner and outer door panels, insulation material being disposed between said inner and outer panels and within said flexible permeable layer, said vent holes being designed and arranged for flow communication with said insulation material by way of said flexible permeable layer, wherein said insulation panel is arranged with a plurality of pouches constructed from material comprising said flexible permeable layer, each pouch being filled with insulation and separated from each other by a seam.