Back to top


  • With a European Norm (EN) comfort rating of 31°F, the SB 31 is suitable for 3-season backpacking when temperatures dip just below freezing
  • High-quality 800-fill-power DriDown™ down insulation fends off moisture to help maintain warmth
  • Waterproof fabric at the head and feet is positioned to keep you from feeling the effects of condensation on tent walls
  • A draft tube backs the 60-in. 2-way zipper to keep cold air out; antisnag design keeps the zipper from catching on the fabric
  • Kelty TraiLogic SB 31 Sleeping Bag comes with a storage bag and stuff sack
  • European Norm (EN) is an independent third-party temperature rating, allowing accurate comparisons across brands with other EN-rated bags


View all Kelty Women's Sleeping Bags

REI membership


Best Use Backpacking
EN Lower Limit 20 degrees Fahrenheit
EN Comfort 31 degrees Fahrenheit
Temperature Rating (F) 20 degrees Fahrenheit
Temperature Rating (C) -7 degrees Celsius
Weight 1 lb. 15 oz.
Ultralight Yes
Shell Ripstop nylon
Zipper Location Right
Insulation Type Down
Water-Resistant Down Yes
Fill 800-fill DriDown
Fill Weight 17 ounces
Lining Nylon taffeta
Sleeping Bag Shape Mummy
Fits Up To (in.) 68 inches
Shoulder Girth (in.) 58 inches
Hip Girth (in.) Unavailable
Stuff Sack Size 8 x 14 inches
Stuff Sack Volume 11.5 liters
Compressed Volume Unavailable
Gender Women's
  • bvseo_sdk, java_sdk, bvseo-4.0.0
  • CLOUD, getReviews, 143ms
  • bvseo-msg: The resource to the URL or file is currently unavailable.;
  • bvseo_sdk, java_sdk, bvseo-4.0.0
  • CLOUD, getContent, 203ms
  • bvseo-msg: The resource to the URL or file is currently unavailable.;