Top 10 · Compare
Compare Best Bivy Sacks head to head
Pick any two picks from this list and see specs, current price, pros, cons and reader ratings side by side.
Back to the full Top 10


#1 on this list
Helium Bivy
Outdoor Research
Pertex Shield with a single hoop pole. The reference for fast-and-light alpine nights.
- Price
- Check current price
- Reader rating
- No reader votes yet
- How we assessed it
- Specification researched

#2 on this list
Ridge Raider
Rab
eVent bivy-tent hybrid with a real vestibule. Wall bivouacs and winter ridges.
- Price
- Check current price
- Reader rating
- No reader votes yet
- How we assessed it
- Specification researched
Specs side by side
| Spec | Helium Bivy | Ridge Raider |
|---|---|---|
| Weight | 18 oz (approx) | — |
| Fabric | Pertex Shield 2.5L | eVent Waterproof Breathable |
| Waterproof Rating | Excellent | — |
| Breathability | Very Good | — |
| Packed Size | Small water bottle | — |
| Pole System | Single aluminum hoop | — |
| Maker | — | Rab |
| Model | — | Ridge Raider |
| Category | — | Bivy-Tent Hybrid |
| Primary Use | — | Alpine, Winter, Expeditions |
| Sleeping Capacity | — | 1 person |
What our reviewers liked and didn't
Helium Bivy
- Exceptional weight-to-protection ratio
- Pertex Shield offers good breathability for a bivy
- Single pole creates crucial headroom
- Highly packable and compact
- Reliable weather protection for its class
- Can still have condensation in humid conditions
- Limited space, not for lounging
- Requires a ground cloth for optimal durability
- Not ideal for prolonged, multi-day downpours
Ridge Raider
- Integrated pole creates excellent head room and small vestibule
- eVent fabric offers superior breathability and weather protection
- Allows comfortable sitting and gear management inside
- Highly durable, expedition-grade materials and construction
- Much more livable than traditional bivies
- Heavier and bulkier than minimalist bivies
- Higher price point compared to basic options
- Still more restrictive than a full tent
Prices change constantly — the figure shown is the last verified catalog price, and the buy buttons always go to the current listing.


