| http://www.w3.org/ns/prov#value | - Independently and alternatively, a sleeping bag is provided including an upper panel of at least two layers of a flexible, breathable, optionally air-impermeable material, the upper layer being waterproof, the two layers forming at least one compartment therebetween, the two layers having at least one additional layer of a porous insulating material disposed between the two layers and within said
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