The i-Run team says
Technologies
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Thermolite
Thermolite is a hollow fiber that allows air to be trapped inside, as well as in the knit of the fabric, providing more warmth for its weight than any other lining fabric we use. Excellent breathability and moisture management.
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WaveLoft
The WaveLoft technology relies on thick insulating layers connected in a loop to achieve additional thickness and trap pockets of warm air, providing greater warmth in colder conditions.
