Eureka Casper Sleeping Bag
Best lightweight synthetic option for budget conscious backpackers.
A reliable synthetic option for cold-weather camping that prioritizes warmth and packability. The proprietary insulation blend offers a solid balance of loft and weight, while thoughtful details like an anatomical footbox and draft-blocking construction ensure a comfortable night in chilly conditions.
$99.90
More Casper options
Who it's for
- Campers frequently facing wet weather or high humidity
- Value-conscious backpackers looking for reliable three-season protection
- Side sleepers who find traditional mummy bags too restrictive
Who should skip it
- Ultralight hikers with limited space in their backpacks
- Long-distance trekkers prioritizing a lightweight gear setup
- Cold sleepers planning to camp in sub-freezing conditions
Performance breakdown
Thermal Efficiency
The 15°F rating provides reliable warmth for most shoulder-season adventures.
Packability
Synthetic insulation offers decent compression but remains bulkier than premium down.
Interior Comfort
Peached polyester lining feels soft and inviting against the skin.
Zipper Reliability
Anti-snag design ensures frustration-free entry and exit in the dark.
Footbox Ergonomics
Trapezoidal shape allows natural foot position without compressing the insulation.
Weight-to-Warmth Ratio
Solid performance, though three pounds is noticeable on longer backpacking treks.
Key Specs
Temperature Rating
15°F
Weight
3 lbs
Insulation Type
Rteq™ polyester
Shell Material
66D StarGaze polyester ripstop, 66D polyester taffeta
Lining Material
75D peached polyester
Zipper Location
Right
Sleeping Bag Shape
Mummy
Has Stash Pocket
Yes
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