and contains 100% responsibly sourced premium down. Engineered to deliver warmth to -40°C / -40°F, this longer version of The Super Puff™ is designed with maximalist proportions and will keep you super warm where it counts. It's filled with 100% responsibly sourced, 700+ fill-power premium down that provides ultra-warm, lightweight insulation. This version is constructed with cliMATTE™ — water-repellent and wind-resistant ripstop fabric with a matte finish and a soft feel. This fabric is sourced from a Japanese mill that specializes in performance fabrics.