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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.
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#9 on this list
Dirigo Bivy
Hyperlite Mountain Gear
Dyneema base, breathable top, and a bug net you can actually breathe through.
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- How we assessed it
- Specification researched
#10 on this list
Escape Pro Bivvy
SOL
The emergency bivy to actually carry: breathable, reflective, and 8 ounces in a lid pocket.
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- Specification researched
Specs side by side
| Spec | Dirigo Bivy | Escape Pro Bivvy |
|---|---|---|
| Weight | 12.3 oz (manufacturer spec) | 8 oz (227g) |
| Packed Size | Small compression sack | 3.5" x 6" (approx.) |
| Floor Material | Dyneema Composite Fabric (DCF) | — |
| Top Material | 3-layer waterproof/breathable fabric | — |
| Zipper | YKK #3 | — |
| Headroom | Minimalist | — |
| Manufacturer | — | SOL (Survive Outdoors Longer) |
| Material | — | Proprietary metallized non-woven fabric |
| Weather Resistance | — | Water-resistant, windproof |
| Thermal Rating | — | Reflects 70% of radiated body heat |
What our reviewers liked and didn't
Dirigo Bivy
- Extremely lightweight and compact
- Excellent protection from dew, wind, and light rain
- Highly durable Dyneema Composite Fabric floor
- Effective and breathable bug netting
- High-quality construction and materials
- Premium price point due to Dyneema materials
- Minimal interior space; feels restrictive for larger users
- Condensation can still occur in humid conditions
- Requires careful site selection for optimal performance
Escape Pro Bivvy
- Excellent warmth-to-weight ratio
- Significantly more breathable than Mylar emergency blankets
- Extremely lightweight and compact
- Effective wind and light rain barrier
- Affordable for emergency preparedness
- Not fully waterproof in heavy rain
- Less durable than heavier, traditional bivies
- Limited space inside, not for comfortable lounging
Prices change constantly — the figure shown is the last verified catalog price, and the buy buttons always go to the current listing.