ALPS Mountaineering Wisp Sleeping Bag
The lightest bag in this comparison. For ultralight backpackers and fair-weather campers who prioritize pack weight above all else.
- Consider if minimizing pack weight is your top priority and you camp in warm or mild conditions
- Lightest bag in this comparison -- best for summer backpacking
- Not rated for cold weather -- know the temperature limit before committing
Best For / Not For
Best for
- Ultralight backpackers who camp in summer or mild conditions
- Buyers who want the minimum weight and packed size possible
- Fair-weather campers who prioritize comfort-to-weight ratio
Not for
- Cold-weather campers who need the TETON's 0-degree or Kelty's 20-degree rating
- Car campers who do not need the weight savings
- Buyers who camp in variable or unpredictable conditions
Key Details
What Makes It Stand Out
The Wisp is for buyers who have already decided that weight is the primary metric. It packs down smaller and weighs less than any other bag in this comparison, which matters when every ounce of pack weight translates to fatigue on a long trail.
ALPS Mountaineering builds quality gear at mid-range prices. The Wisp is a legitimate choice for summer backpacking where a 0-degree bag is dead weight that you never need.
Value
The value depends on your camping season. Summer-only backpackers get good value from the Wisp. Anyone who camps in cold weather should skip it entirely for the TETON or Kelty.
Pros and Cons
Pros
- Lightest bag in this comparison for minimum pack weight
- Compact packed size for ultralight gear setups
- ALPS Mountaineering quality construction
- Good for summer backpacking where a heavy bag is unnecessary
Cons
- Not rated for cold conditions -- limit your use to appropriate temperatures
- Less insulation than the TETON or Kelty
- Not the right choice for shoulder-season camping
Bottom Line
Consider the ALPS Mountaineering Wisp if you ultralight backpack in summer or mild conditions and want the lightest bag possible. For cold-weather camping, choose the TETON Celsius or Kelty Cosmic 20 instead.
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