Image Number 4 for United States Patent #4242769.
An anti-exposure inflatable structure for reducing loss of heat from the body of a wearer, having spaced inflatable cavities with water vapor openings between cavities and an outer covering of a breathable, water-proof material loosely covering the outer surface of the structure, the structure having sealing means at its marginal edges to prevent water from entering between the body of a wearer and the structure.
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