How warm is The Down Puffy? Kristin Updated December 14, 2016 21:19 Follow Our warmest, most packable blanket yet! This bad boy keeps you warm to a little under 40F! Related articles Where do we source our down for The Down Puffy? The Down Puffy Stuff Sack Instructions How warm is the Original Puffy? The Down Puffy Materials and Fabric Weight, Dimensions, Compression, and Size of the Down Puffy Comments 0 comments Article is closed for comments.