Therm-a-Rest Hyperion
Best ultralight insulation for dedicated long distance backpackers.
This ultralight sleeping bag delivers impressive warmth without the bulk, making it an ideal choice for weight-conscious backpackers. By utilizing hydrophobic down and a zoned insulation design, it maintains loft and thermal efficiency even in damp conditions, ensuring a comfortable night's sleep in variable three-season weather.
$360.08
at
Inwild
Who it's for
- Ultralight backpackers prioritizing minimal pack weight without sacrificing warmth
- Thru-hikers and minimalist travelers with limited pack space
- Cold sleepers needing reliable thermal performance in alpine environments
Who should skip it
- Active sleepers who frequently toss and turn during the night
- Rugged adventurers who are tough on their outdoor equipment
- Budget-conscious campers seeking a more affordable three-season sleeping bag
Performance breakdown
Weight-to-Warmth Ratio
Unrivaled efficiency for long-distance hikers counting every single gram.
Packability
Compresses down to the size of a water bottle with ease.
Thermal Efficiency
Box-baffled construction keeps down lofted exactly where you need it.
Draft Protection
Minimalist design requires careful positioning to seal out cold air.
Material Durability
Ultralight fabrics demand gentle handling to prevent snags and tears.
Interior Comfort
Snug mummy cut prioritizes performance over sprawling room to move.
What Reviewers Say
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