Scrunch up to cool comfort with the Sub-0 down complete pillow. This chambered pillow features all that you love about down combined with premium construction that keeps those feathers where they belong. The down-proof inner lining locks in down and feathers, meaning your sleep surface is consistently soft and smooth. Plus, the FRÍO® rapid chill cooling fibers funnel heat away from your body and provide a cooler sleep surface. The machine washable cover resists allergens and dust mites for a healthier sleep.