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
French Poppy
French Poppy

Please select a color/size.

REI AirRail 1.5 Self-Inflating Sleeping Pad Video

The REI AirRail 1.5 Self-Inflating Sleeping Pad features a hybrid design that offers low weight, compressibility and ample sleeping comfort.

Details

  • Hybrid design combines an insulated-foam center panel with large air tubes outside to keep you from rolling off; outer tubes are insulated with PrimaLoft® microfiber fill
  • Cross-cored foam insulation is lightweight, compressible and stable
  • Quick-closing, high-flow valves
  • Durable 75-denier polyester top has an embossed nonslip surface; 75-denier polyester bottom resists wear; all seams are welded
  • Tapered mummy shape reduces weight and packed size
  • R-value equals 4.2; most sleeping pads we sell range in R-value from 1.0 (minimally insulated) to 9.5 (highly insulated)
  • The REI AirRail 1.5 Self-Inflating Sleeping Pad comes with a stuff sack

Imported.

REI Co-Op

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 Sleeping Pads

REI membership

Specs

Best Use Backpacking
Sleeping Pad Type Self-inflating Pad
Sleeping Pad Shape Mummy
Insulation Type Open-cell Foam
R-Value 4.2
Stuff Sack Included Yes
Packed Size
Long
7 x 9 inches
Long Wide
7.5 x 9 inches
Regular
6.5 x 9 inches
Dimensions
Long
78 x 23 x 1.5 inches
Long Wide
78 x 25 x 1.5 inches
Regular
72 x 23 x 1.5 inches
Weight
Long
1 lb. 11 oz. ounces
Long Wide
1 lb. 15 oz. ounces
Regular
1 lb. 10 oz. ounces
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