Vintage Y2K The North Face 700 Black Puffer Vest. An absolute classic and a must have for any outdoor wardrobe, The Nuptse Classic Vest is just as at home scaling a peak as it is on a cold winters day, keeping your core warm as you run to the shops. The warmth and insulation come from the goose down fill that is tested at 3 stages during the production for it ability to resist moisture, retain it's loftiness and it's overall loftiness. The Nuptse body warmer has 700 fill down, meaning that one ounce of the down will fill a volume of 700 cubic inches, this is a superb warmth to weight ratio and will serve you well in the bitterest of tempertures.