M's Ultralight Down Jacket

Shell and lining: 0.85-oz 15-denier 100% nylon ripstop Pertex Quantum® built with Y-shaped filament technology; with a DWR (durable water repellent) finish. Insulation: 800-fill-power Traceable Down (goose down traced from parent farm to apparel factory to help ensure the birds that supply it are not force-fed or live-plucked). Fabric is certified as bluesign® approved