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Our classic ThermoBall™, powered by PrimaLoft™ insulation technology gets reinvented for the slopes with this streetstyle-inspired, lightweight jacket that features a weather-resistant exterior. This warm, quilted jacket features round synthetic Thermoball™ clusters that trap and retain heat to achieve phenomenal warmth in cold and wet weather.
Developed in partnership with Primaoft, Inc., ThermoBall is a revolution in insulation technology. Unlike traditional continuous-filament synthetic insulation, the small, round PrimaLoft synthetic-fiber clusters closely mimic down clusters, trapping heat within small air pockets to retain warmth. Independent clo testing by Kansas State University has shown that ThermoBall has warmth equivalent to 600 fill goose down. As a result, ThermoBall can offer the lightweight warmth and compressibility of down with the wet-weather insulating performance of synthetic insulation.