You are using a web browser we don't support. Please use the latest version of one of these browsers.

Mozilla Firefox

Google Chrome

Apple Safari

Microsoft IE

Back to top

REI Radiant Sleeping Bag

Galaxy Blue/Squash ONLY_AT_REI
Galaxy Blue/Squash
$158.93 - $174.93 *
Add to cart to see price

Select Size 

Long Left
Long Wide
Regular Left

Select Color 

Please select a color/size.

Enter a quantity of 1 or more.

You need an REI membership to buy this product.

REI Radiant Sleeping Bag Video

The all-conditions REI Radiant Sleeping Bag features water-repellent down and lots of comfortable touches; the Radiant Plus Sleeping Bag is sized to fit bigger and taller backpackers.


  • With a European Norm (EN) lower-limit rating of 19°F, this bag is suitable for 3-season use
  • Water-repellent 600-fill-power duck down offers excellent loft and warmth
  • Ripstop nylon shell also features a durable water repellent finish to further protect the down fill
  • Relaxed shoulder-to-hip fit is comfortable for multi-position sleepers
  • Contoured hood, insulated face muffler and full-length draft tube all work to keep warmth in
  • Differentiated hood and neck drawcords simplify adjustments; antisnag zipper works smoothly
  • Bag has a stash pocket under the collar
  • Pad loops let you strap the bag to your sleeping pad (straps and pad not included)
  • Most REI backpacking bags can be zipped to other REI backpacking bags; women's bags zip on the right, unisex on the left
  • The REI Radiant Sleeping Bag includes a nylon stuff sack and a large cotton storage bag
  • EN is an independent third-party temperature rating, allowing accurate comparisons across brands with other EN-rated bags



Gear and clothing created with REI co-op members, the experts who work in our stores, and a wilderness spirit born in 1938.

See what’s new

View all REI Men's Sleeping Bags

REI membership


Best Use Backpacking
EN Lower Limit (rating for men) 19 degrees Fahrenheit
EN Comfort (rating for women) 32 degrees Fahrenheit
Temperature rating (F) 19 degrees Fahrenheit
Temperature rating (C) -7.2 degrees Celsius
Long Left
2 lbs. 11 oz.
Long Wide
3 lbs. 2 oz.
Regular Left
2 lbs. 8 oz.
Shell Ripstop nylon
Zipper location Left
Insulation type Down
Water-resistant down Yes
Fill 600-fill duck down
Fill Weight
Long Left
18.7 ounces
Long Wide
22 ounces
Regular Left
16.6 ounces
Lining Polyester taffeta
Sleeping bag shape Mummy
Fits Up To (in.)
Long Left
78 inches
Long Wide
78 inches
Regular Left
72 inches
Shoulder girth (in.)
Long Left
62 inches
Long Wide
70 inches
Regular Left
62 inches
Hip girth (in.)
Long Left
58 inches
Long Wide
66 inches
Regular Left
58 inches
Stuff sack size 8.25 x 18 inches
Stuff sack volume
Long Left
Long Wide
Regular Left
Compressed Volume
Long Left
7.3 liters
Long Wide
8.3 liters
Regular Left
6.3 liters
Gender Unisex
Four hikers wearing Traverse Series packs and clothing cross a grassy field

Better together: REI Traverse Series

Member stories from their time on the trail influenced innovations in our new fully featured backpacking gear & clothing that combines maximum comfort and optimal organization for a rewarding journey.

See more new REI gear

The REI Difference

100% satisfaction guaranteed

We stand behind everything we sell. If you are not satisfied with your REI purchase, you can return it for a replacement or refund within one year of purchase.

REI's guarantee doesn't cover ordinary wear and tear or damage caused by improper use or accidents.

If your item has a manufacturing defect in its materials or workmanship, you can return it at any time. See our limited warranty.

Gear & advice you can trust

At REI, we live and breathe the outdoors, and we're passionate about sharing our expertise with people of all skill levels. Whether you're new to the outdoors or a seasoned explorer, we'll take the time to understand your needs and help you find the right gear for you.

10% annual member refund

Anyone can shop at REI, but for a one-time $20 fee you can become an REI member and enjoy a lifetime of benefits. These include an annual member refund, typically 10% back on eligible purchases.*



*10% is typical but not guaranteed. Your refund is based on eligible purchases, which exclude REI gift cards, services, fees, REI Adventures trips, REI Garage, and discounted items. Learn more