Main Body : Stitchless™ I-Tube, 20 Denier Doubleweave, 84% Nylon, 16% Spandex, 128g/m2 with DWR
Yoke : Stitchless™ D-Tube, 20 Denier Doubleweave, 86% Nylon, 14% Spandex, 132g/m2 with DWR
Insulation: Allied Feather™ HyperDRY™ Down, 80/20 650 Fill Goose Down, with HyperDry™ Water Resistance
ALLIED's newest water resistant technology, HyperDry™ results from years of research and development. Proprietary nanotechnology treatments create the longest lasting water resistant down on the market, meaning you stay warm longer in the wettest of conditions. As a bluesign® approved textile, it has met the most stringent of sustainable production standards.

