Summit Pumori Down Parka JacketDescription Packed with warm and compressible 800 fill ProDown, the Summit Pumori Down Parka delivers pinnacle performance for high altitude mountaineering. Its hydrophobic finish allows it to dry faster than untreated down, while the Cloud Down construction helps reduce cold spots. Its finished with a helmet compatible hood, FlashDry stretch knit cuffs and an insulated internal draft tube that helps retain warm air.