Stay warm, light, and ready for backcountry nights with the Duck Down 20F Mummy Sleeping Bag, designed for backpackers who push cool-weather limits.

• 650-fill duck down insulation delivers exceptional warmth-to-weight in a streamlined mummy silhouette, maximizing loft and minimizing bulk so you can carry less without sacrificing comfort.
• 20–39°F temperature range supports cool nights during shoulder seasons and high-elevation trips, letting you extend camping windows without overheating on milder evenings.
• Long size for tall sleepers fits 6'1" to 6'6", with a snug draft collar and down-filled hood-style comfort that seals warmth around your neck.
• Durable, packable construction features a nylon shell and 100% duck down filling for quick drying and compact packing in a backpack-friendly footprint.