Japanese brand Nanga has a rich, 75 year history in Japan and this was their first time exhibiting at Outdoor Retailer. If yiu want to go ultralightweight, you might want yo take a look at their UDD Bag 630. This bag promises comfort at 23 Deg F and a lower limit of 14 Deg F using 770 Fill Power european white duck down which is treated with water repellent. The shell is a 15D water repellent nylon. One way they help save weight, is no side zips. They claim that this combination weighs 630 grams (22.3 oz).
