JJMG Women's Packabe Ultra Light Weight Down Coat Short Jacket Outwear Blazer This duck down jacket contains 90% white duck down. It is the highest level and the warmest at 90% duck down. 100% Nylon shell. and lining. This warm down jacket is incredibly thin and lightweight. The outer lining resists water, and water-repellent thread prevents moisture from entering through seams. 100g material contains 90g white duck down. Ultra light weight and Warm Carries easily in its compact pouch. compact pouch included! Specially made to be LIGHTWEIGHT, BREATHABLE and offer EASY MOVEMENT JJMG ultra light weight jacket is super fasionable and warm