Big Agnes
Sidewinder SL 20
Cheaper than 84% of sleeping bags.
QUICK SPECS
Seasons 3-Season
$161 at Amazon
COMPETITIVE CONTEXT
How It Stacks Up
(of 55 sleeping bags)
Weight 36 oz 38% lighter
Price $161 84% cheaper
Packed Length 8 in 91% more compact
BEST FOR
Who Is This For?
Value Seeker
Priced lower than 84% of the category.
SPECIFICATIONS
Full Specifications
Features
Zipper Side
Left
EN/ISO Tested
True
Seasons
3-Season
Other
Length
Regular
Water Resistant
False
Packed Dimensions
8.0 in x 6.5 in
Temperature Rating F
20
Dimensions
Shape
Mummy
Length
78 in in
Packed Length
8 in in
Packed Diameter
6.5 in in
Construction
Fill Type
Hybrid
Fill Power
650
Shell Material
Ripstop Nylon With Dwr
Liner Material
Polyester Taffeta
Warmth
Comfort Rating
30 °F °F
Lower Limit
19 °F °F
Weight
Total Weight
36 oz oz
Fill Weight
21 oz oz
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CATEGORY
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RETAILERS
Prices updated Apr 8, 2026 Where to Buy
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