• Fleece
• The North Face One Bag Sleeping Bag System features a modular design for temperatures of 5°F/20°F/40°F (-15°C/-7°C/4°C). This innovative sleeping solution includes a top layer with 11°C-rated Heatseeker Pro synthetic insulation a mid-layer with -7°C-rated 800-fill ProDown and a quilt option for lounging. Complete with a compression sack doubling as a camp pillow a spacious hood and a vaulted footbox the One Bag from The North Face tucks into its own storage sack.