The heat-insulating structure

The present invention relates to a heat insulating structure which comprises at least one baffle, an article of clothing and a sleeping bag comprising such a structure and a method for manufacturing such a heat insulating structure. In one embodiment, the baffle comprises a plurality of natural and / or synthetic down fibers and a plurality of low melting fibers, wherein the low melting fibers have been fused to the natural and / or synthetic down fibers by heating within the baffle.