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Benefits
Water Resistant
Partially blocks rain/snow to increase breathability.
Insulated
Insulation traps hot air for reduced heat loss and increased warmth.
Lightweight
When every ounce counts, or you only need something light.
Thermoball
Developed in partnership with Primaloft, 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.
