This puffer is constructed with innovative waterproof fabric from Japan and contains 100% responsibly sourced premium down. Engineered to deliver warmth to -30°C / -22°F, The Super Puff2O™ Mid is constructed with sealed seams and bonded channels to keep you dry and insulated, even in serious precipitation. It's filled with 100% responsibly sourced, 700+ fill-power premium down that provides ultra-warm, lightweight insulation. This version is made with Rainstop™ — waterproof and windproof fabric with a soft feel and 2-layer construction. This fabric is sourced from a Japanese mill that specializes in performance fabrics.