Thermolite

A material made from Polyester, designed to be slim yet insulating.
Found on http://www.gooutdoors.co.uk/glossary

Thermolite

DuPont's low-loft, 100 percent polyester insulation. Usually used in garments where a trim look outweighs the need for puffy warmth, such as in skiwear.
Found on http://www.encyclo.co.uk/local/21117
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