REI Co-op HunkerDown 20 Sleeping Bag

The REI Co-op HunkerDown 20 sleeping bag brings a little luxury to the campsite. Its 600-fill-power down insulation, classic rectangular shape and oversize hood deliver 3-season camping comfort.

Inclusive sizing lets you find your best fit based on body shape and sleeping preferences. The relaxed, rectangular fit pairs perfectly with an REI Co-op Camp Dreamer pad (not included) for the ultimate in sleeping comfort.

Key Features

Best Use	Camping
Temperature Rating (F)	20 degrees (F)
Temperature Rating (C)	-6.6 degrees (C)
Weight	Medium: 3 lbs. 6.3 oz. - Medium Wide: 3 lbs. 10.5 oz. - Long: 3 lbs. 9.8 oz. - Long Wide: 3 lbs. 14.2 oz.
Shell	100% recycled polyester (bluepass certified)
Zipper Location	Left
Insulation Type	Down
Water-Resistant Down	Yes
Fill	Main body: 600-fill-power down (bluepass certified); draft tube, draft collar and face muffler: polyester (98% recycled; bluepass certified)
Fill Weight	Medium: 1 lb. 5.4 oz. - Medium Wide: 1 lb. 7.4 oz. - Long: 1 lb. 7.1 oz. - Long Wide: 1 lb. 9 oz.
Sleeping Capacity	1-person
Lining	Polyester
Sleeping Bag Shape	Rectangular
Fits Up To (in.)	Medium: 71 inches - Medium Wide: 71 inches - Long: 77 inches - Long Wide: 77 inches
Shoulder Girth (in.)	Medium: 69 inches - Medium Wide: 76 inches - Long: 70 inches - Long Wide: 77 inches
Hip Girth (in.)	Medium: 69 inches - Medium Wide: 76 inches - Long: 70 inches - Long Wide: 77 inches
Stuff Sack Size	Medium: 7.75 x 12.5 inches - Medium Wide: 8.5 x 13 inches - Long: 7.75 x 12.5 inches - Long Wide: 8.5 x 13 inches
Stuff Sack Volume	Medium: 10 liters - Medium Wide: 12.5 liters - Long: 10 liters - Long Wide: 12.5 liters
Compressed Volume	Medium: 8 liters - Medium Wide: 8.6 liters - Long: 8.2 liters - Long Wide: 9.3 liters
Gender	Unisex
Sustainability	Contains bluepass certified material - Contains recycled materials - From a Climate Label Certified brand

Highlights

• Inclusive sizing lets you find your best fit based on body shape and sleeping preferences
• Relaxed, rectangular fit pairs perfectly with an REI Co-op Camp Dreamer pad (not included) for the ultimate in sleeping comfort
• Main body is insulated with 600-fill-power down that's lightweight, compresses small and keeps you warm down to about 20°F
• Cozy draft collar, face muffler and zipper draft tube have recycled synthetic insulation to keep warmth in and cold air out
• Shell fabric, lining fabric and down insulation all feature a durable water repellent (DWR) finish made without PFAS to shed moisture
• Down-insulated hood adds warmth and coziness; hood is large enough to retain a pillow from home—and it folds under when not needed
• 2-way main zipper lets you open the bag fully to use as a quilt or just unzip the bottom for ventilation
• Interior stash pocket for storing small, quick-access items
• Hand-wash or machine wash warm, gentle cycle in front-load washer only; do not bleach; rinse thoroughly; do not wring; air dry or tumble dry low; do not iron or dry clean
• Made with down sourced according to third-party animal welfare standards adopted by REI Co-op brand
• Contains bluepass certified material
• 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

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Materials & care

Hand-wash or machine wash warm, gentle cycle in front-load washer only; do not bleach; rinse thoroughly; do not wring; air dry or tumble dry low; do not iron or dry clean

Contains bluepass certified material. Contains recycled materials. From a Climate Label Certified brand.

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.

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