A thin, highly insulating fabric made from polypropylene fibers, used to make outdoor clothing and sleeping bags.
- ‘These offer all the style and practicality of our standard suits, with the added warmth of a Thinsulate lining.’
- ‘Another benefit of Thinsulate insulation: it's one of the lightest synthetic insulations on the market.’
- ‘By 1978, they had introduced Thinsulate to the marketplace as a synthetic substitute for down.’
- ‘For very cold temperatures, add a Thinsulate interlining for warmth.’
A blend of thin + insulate.