How to Choose Sleeping Bags for Backpacking
REI Co-op Sub Kilo +20 Sleeping Bag
This product is not available.
The REI Sub Kilo +20 sleeping bag doesn't compromise warmth or durability—it's great for camping, backpacking and ultralight adventures.
Shop similar productsKey Details
Fill
750-fill goose down
Temperature Rating (F)
20 degrees (F)
- Sleeping bag features premium 750-fill-power goose down insulation, a downproof polyester ripstop shell and a soft polyester taffeta lining
- Vertical baffle construction allows the goose down to remain fully lofted and keeps it from shifting and migrating, preventing cold spots
- Contoured hood, roomy footbox, full-length locking zipper, full-length draft tube and muffler all keep body heat in and cold air out
- Internal pocket keeps all your essentials—headlamp, watch, glasses—right at hand and easy to find in the dark
- Differentiated drawcords (1 round, 1 flat) let you adjust hood and neck easily in the dark
- Pad loops provide attachment points to keep your sleeping bag and pad together to avoid rolling off onto the cold ground (straps not included)
- Efficient, slim cut keeps the weight down
- Comes with stuff sack and large cotton storage bag
- Right-hand zip
- Special buy
- REI Co-op brand is certified to The Climate Label; we actively fund efforts to reduce carbon emissions across our business and support climate projects around the world
| Best Use | Backpacking |
|---|---|
| Tested Lower Limit | Unavailable |
| Tested Comfort | Unavailable |
| Temperature Rating (F) | 20 degrees (F) |
| Temperature Rating (C) | -6 degrees Celsius |
| Shell | Ripstop polyester |
| Insulation Type | Down |
| Fill | 750-fill goose down |
| Fill Weight | Unavailable |
| Lining | Polyester taffeta |
| Sleeping Bag Shape | Mummy |
| Gender | Unisex |
| Sustainability | From a Climate Label Certified brand |
Buying Advice
Better gear is built together
From feedback to field testing, all of our gear is dialed-in by REI Co-op members. Their adventures informed every stitch and detail—making for better, longer-lasting gear.
