Rab Hypersphere Ultra Sleeping Pad
Best lightweight insulation for dedicated backcountry backpackers.
This is the gold standard for alpine expeditions where every gram counts but warmth is non-negotiable. By swapping synthetic fill for high-loft down, it achieves incredible thermal efficiency in a tiny package. You sacrifice the durability of heavier, puncture-resistant mats, but the trade-off for a lighter pack is well worth it.
$231.98
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Who it's for
- Ultralight backpackers prioritizing heat retention during cold alpine nights.
- Fast-and-light hikers needing to minimize their total gear volume.
- Side sleepers seeking a stable platform that prevents bottoming out.
Who should skip it
- Light sleepers easily disturbed by the sound of moving fabric.
- Rugged campers who frequently pitch tents on unprepared, abrasive terrain.
- Budget-conscious adventurers looking for a more affordable entry-level sleeping solution.
Performance breakdown
Thermal Efficiency
The 7.5 R-value provides elite-level insulation for the harshest alpine conditions.
Weight-to-Warmth Ratio
Remarkably light given the substantial down insulation packed inside.
Packability
Compresses down efficiently to save precious space in your climbing pack.
Stability
Hybrid shape balances a secure sleeping surface with necessary weight savings.
Moisture Management
Hydrophobic down treatment keeps the insulation lofted even in damp environments.
Inflation Speed
Included pump sack makes setup quick, hygienic, and moisture-free.
Key Specs
R-value
7.5
Weight
1.34 lbs
Thickness
3.0 inches
Pad Type
Air Pad
Material
TPU Coated Fabric
Shape
Rectangular
Inflation Method
Pump Sack
Intended Use
Backpacking, Expedition
Sleeping Capacity
Single
Insulation Type
Down
Know before you buy
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Ask Metto anything about the Rab Hypersphere Ultra Sleeping Pad before you decide.
