Rab Stratosphere Sleep Mat
Best insulated sleeping pad for side sleepers seeking reliable backcountry comfort.
This insulated mat offers a high warmth-to-weight ratio, making it ideal for cold-weather backpacking without the bulk. The oversized outer chambers provide excellent stability, while the included pump sack ensures quick, hygienic inflation in the field.
$150.00
at
Rab Official Website
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Who it's for
- Cold sleepers needing reliable warmth during chilly mountain nights
- Side sleepers seeking extra depth to prevent pressure points
- Backpackers wanting a quick setup after a long day hiking
Who should skip it
- Ounce-counting thru-hikers prioritizing the lightest possible pack weight
- Light sleepers easily disturbed by rustling fabric sounds
- Minimalist campers with limited internal backpack volume
Performance breakdown
Thermal efficiency
An R-value of 5.5 handles freezing temperatures with impressive thermal retention.
Inflation speed
The included pump sack makes setup quick, hygienic, and effortless.
Packability
Solidly compact for its insulation level, though slightly bulky for ultralight trips.
Sleep stability
Oversized outer chambers effectively cradle the body to prevent rolling off.
Durability
The 75D polyester fabric provides a robust barrier against backcountry wear.
Comfort profile
Three inches of loft offers a plush, supportive base for side sleepers.
Key Specs
R-value
5.5
Weight
1.73 lbs
Thickness
3.15 inches
Material
75D Recycled Polyester
Insulation
Stratus™ R 100% recycled polyester
Packed Length
9.4 inches
Packed Diameter
5.1 inches
Inflation Method
Pump sack
Repair Kit Included
Yes
Shape
Rectangular
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