Big Agnes Sidewinder SL 20 Sleeping Bag
Compare prices from top U.S. retailers and find the best available deal.
MSRP
MSRP
Manufacturer's Suggested Retail Price. Note that MSRP values are not always consistent across retailers and may fluctuate or be inflated for marketing purposes.
$249.95
Typical
Typical Price
The median (middle price point) for the selected variant over the past 6 months—half the time it was cheaper, half the time it was more expensive.
$149.99
Hist Low
Historical Low
The lowest price GearSnag has ever tracked for this product variant.
$149.97
Current
Current Best Price
The current best offer available for the selected variant.
$149.97
Available Colors
Our Verdict: Awesome Deal
This price is very close to the lowest we've tracked for this product. At $149.97, it's below the typical price of $149.99 and near the historical low of $149.97.
Worth buying now.
Legion Blue/Tapestry
Other Colors
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Price History
Price History
No price history available for the selected filters.
Product Details
Product Details
Sleep on your side—comfortably. This Bag Agnes sleeping bag is designed for those who sleep on their sides. It's contoured to ensure warmth, comfort and ease of use in any position you settle into.
Key Specifications
| Brand | Big Agnes |
| Category | Backpacking sleeping bags |
| Available Sizes | LONG, REGULAR |
| Available Colors | Chinois Green/Mercury/Evening Primrose, Legion Blue/Tapestry |
Where to Buy
Available at 6 retailers
Last Updated: May 25, 2026