A system, method, and apparatus are disclosed for dressing a wound. In one embodiment, the apparatus can include a spacer layer comprising two nonwoven layers, each nonwoven layer comprising a plurality of channels or apertures therethrough. In other embodiments, the apparatus includes at least one nonwoven spacer layer comprising a three- dimensional structure, such as a corrugated structure, honeycomb structure, cuboid structure, or egg-crate structure. The three-dimensional nonwoven structure can comprise a thermoformed nonwoven layer. The apparatus can also include an absorbent layer for absorbing wound exudate, the absorbent layer overlying the spacer layer, and a gas impermeable cover layer overlying the absorbent layer and comprising at least one orifice, wherein the cover layer is moisture vapor permeable.
