DETROIT by Arctic is Moke's fully waterproof heat seam sealed, goose down insulted jacket DETROIRfeatures an oversized silhouette with extra length, matte black hardware, rib knit cuffs and rubber binding patch. Designed for the harshest winters conditions this range is 15000mm water proof rating, 30000mm breathability and moisture permeability, keeps you dry and toasty during the cold, wet winter months.