After a long day on the trail or the mountain, treat your tired feet to a little warmth and luxury with the Pull-on Down Bootie. Made with a 100% recycled polyester ripstop shell and insulated with warm, light, and compressible 700-fill power down, the Pull-On Down Booties pack small and travel anywhere. With a heavy duty nylon non-skid sole, these booties are perfect for hut or home after a day on the mountain.