REI Co-op Hammock Underquilt

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Add some insulation to the bottom of your hammock and sleep warmer all year round. The REI Co-op hammock underquilt uses ultralight synthetic insulation to keep you warm down to 30°F.


  • 2 layers of 80g synthetic insulation on bottom are offset-quilted to prevent cold spots that result in heat loss
  • Lighter insulation on sides boosts coziness
  • Shock-corded corner attachments make setup quick and easy
  • 2 midpoint toggle connections secure underquilt to corresponding loops in the REI Co-op Quarterdome Air Hammock (sold separately)
  • Internal drawcords cinch underquilt tight to the ends of the hammock
  • Includes stuff sack for backpacking and a mesh storage bag to air out the underquilt when not in use
  • Designed for use with the REI Co-op Quarterdome Air Hammock (sold separately)
  • REI is Climate Neutral Certified; as we work to actively reduce our footprint, we measure annual carbon emissions and purchase an equivalent amount of verified carbon credits


View all REI Co-op Hammock Accessories

Technical Specs

Best Use


Unfolded Dimensions

85 x 51 inches

Folded Dimensions

12 x 7 inches


Ripstop nylon


26 ounces


From a Climate Neutral Certified brand

19 reviews with an average rating of 3.8 out of 5 stars

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