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The Big Agnes Sidewinder 0 Degree Sleeping Bag is built specifically for side sleepers who need warmth and comfort during cold-weather backpacking trips. Featuring Second Generation Side Sleeper Technology, its body-mapped design moves naturally with you as you shift positions throughout the night, eliminating the restrictive feel of traditional mummy bags. Insulated with 650-fill DownTek™ water-repellent down, it delivers excellent warmth and packability, while strategically placed FireLine™ ECO synthetic insulation at the hips, knees, and shoulders enhances comfort at key pressure points.
Designed for performance in freezing conditions, the Sidewinder includes a jacket-style hood that moves with your body, a thermally efficient footbox shaped for side sleeping, and thoughtful features like a Pillow Barn sleeve and draft-blocking zipper construction. Built with durable recycled materials and rated to 0°F, this sleeping bag offers dependable warmth, mobility, and comfort for serious backcountry adventures.
|
Total Weight |
3 lb 4 oz |
| ISO Comfort | 18°F |
| ISO Limit | 5°F |
| Fill Type | 650 DownTek™ + FireLine™ ECO |
| Total Fill Weight | 27 oz Down + 6 oz Synthetic |
| Compressed Bag Size | 9.5" x 10" |
| Stuff Sack Size | 26 L 10" x 21" |
| Max User Height | 5' 6" |
| Recommended Pad Size | Works with any pad size or style |
|
Shoulder Girth |
58" |
|
Hip Girth |
52" |
|
Foot Girth |
33"
|
| Manufacturer Warranty | Limited Warranty |

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