Rab Hypersphere Ultra
Best ultralight sleeping pad for extreme cold-weather expeditions.
This is the ultimate choice for alpine missions where every gram counts but warmth is non-negotiable. By packing high-loft down into a minimalist frame, it delivers extreme insulation without the bulk, though you’ll need to be careful with the ultralight materials in rougher terrain.
$260.00
at
Outland USA
Who it's for
- Winter campers and mountaineers needing reliable sub-zero insulation
- Side sleepers and restless movers wanting extra room
- Weight-conscious backpackers tackling demanding four-season adventures
Who should skip it
- Budget-focused hikers seeking a more affordable sleeping solution
- Summer backpackers needing lighter, less insulated gear
- Hikers prioritizing rugged durability over ultralight weight
Performance breakdown
Thermal Efficiency
An R-value of 7.3 handles extreme winter conditions with absolute ease.
Weight-to-Warmth Ratio
800FP down provides elite insulation without adding significant pack weight.
Packability
Compresses down impressively for such a high-performance, insulated sleeping mat.
Inflation Speed
The included pump sack makes setup quick, hygienic, and effortless.
Sleep Stability
Oversized outer chambers effectively keep you centered throughout the night.
Durability
Ultralight 20D fabric requires careful handling to avoid potential punctures.
Key Specs
Brand
RAB
SKU
RABB-005059913219639
Gender
Unisex
Color
Marmalade
Size
Regular Wide
Age
Adult
MPN
QMA-09-MAM-REG-WDE
UPC
5059913219639
Ship Dimension
12 x 15 x 6 inches
Ship Weight
2lbs.
Still have a question?
Ask Metto anything about the Rab Hypersphere Ultra before you decide.