充鹅绒更保暖 事实真是如此吗？

Core Viewpoint - The new national standard for down clothing, effective from April 2022, changes the terminology from "down content" to "down fiber content," impacting consumer understanding and selection of down jackets [1] Group 1 - The new standard emphasizes the importance of understanding the label information when purchasing down jackets, guiding consumers on how to interpret the new terminology [1] - There is a common belief among consumers that goose down provides better warmth compared to duck down, raising questions about the actual thermal performance differences between the two types [1]