REI Co-op Lumen 20

Starting from


Upgrades & Additions


  • 1-3 Days $ 18
  • 4-7 Days $ 26
  • 8-14 Days $ 39
REI member pricing is not available.

Tech Specs

Best Use Backpacking
Tested Lower Limit 20 degrees (F) - EN
Tested Comfort 31 degrees (F) - EN
Temperature Rating (F) 20 degrees (F)
Weight 2 lbs. 8 oz.
Shell Ripstop Nylon
Zipper Location Left
Insulation Type Synthetic
Lining Nylon
Fits Up To (in.) 72 inches
Shoulder Girth (in.) 62 inches
Hip Girth (in.) 58 inches
Stuff Sack Size 7 x 15 inches
Compressed Volume 7.8 Liters
Sizes Available 72 Inches Long

Trip Planning

Where are you headed?

There is over ten million acres of public land in the state of Arizona, so choosing an area to spend a few days in nature can be challenging. Read through our helpful tips for camping near and far from Phoenix in destinations like the Superstition Mountains, Aravaipa Canyon, and of course, The Grand Canyon.

Find Camping Ideas