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- 3N1 System Bags offer three bag configurations for temperature versatility with a technical, roomy sleeping space that keeps you on your sleeping mat throughout the night
- Mat Cinch System is adjustable to a variety of sleeping mat sizes. The self-equalising drawstring easily connects bag to pad and the middle securement feature provides extra stability
- Maximum thermal efficiency is achieved when inner and outer bags are layered, using offset quilting to minimise cold spots
- Sleep on any side using the inner bag alone and within the outer bag. Three-quarter, anti-snag ambidextrous zipper stays out of the way when side sleeping
- The inner bag design mimics the award-winning Big Agnes Sidewinder sleeping bag, designed for side sleepers and made to move with you from side to side
- Keep your head snug and warm using the inner bag with jacket-style hood
- Insulated no-draft zipper tube
- Pillow Barn on pad sleeve allows natural head movement and keeps a pillow (or jacket) tucked in all night
- Spacious, rectangular shaped outer bag is constructed with draught collar, wedge, and two anti-snag dual side zippers with zipper garage
- Ultimate comfort and additional hand warmth with hand tuck pockets at the top of outer bag
- Access from top and bottom of both inner and outer bag with two-way zipper for easy temperature control throughout the night
- Create a doublewide system bag by zipping two 3N1 bags together
- Small, Regular and Long sized bags available
- Storage sack & stuff sack included
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- Compatible Pad Size: 51 - 76 x 183 - 198 cm
- Rectangular pad shape recommended
Temperature Ratings
- System: 15˚F / -9˚C
- Inner: 35˚F / 2˚C
- Outer: 50˚F / 10˚C
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Size |
Small |
Regular |
Long |
Fits up to |
5'6" / 168 cm |
6' / 183 cm |
6'6" / 198 cm |
Total Bag Weight |
1.12 kg |
1.26 kg |
1.39 kg |
Inner Bag Weight |
492 g |
552 g |
618 g |
Outer Bag Weight |
626 g |
706 g |
769 g |
Total Fill Weight |
482 g |
539 g |
595 g |
Inner Bag Fill Weight |
255 g |
283 g |
312 g |
Outer Bag Fill Weight |
227 g |
255 g |
283 g |
Compressed Size |
22 x 25 cm |
22 x 29 cm |
22 x 30 cm |
Stuff Sack Size |
20 x 44 cm |
20 x 44 cm |
20 x 44 cm |
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- Shell & Pad Sleeve: Recycled 20D polyester ripstop PFAS-free water-repellent finish
- Outer bag lining and Inner bag: Recycled 20D polyester taffeta with PFAS-free water-repellent finish
- Insulation: 650 fill DownTek™ PFC-Free repels water while maintaining insulating value - bluesign® approved PFAS-free water-repellent chemistry
- Inner Bag: Quilt-through construction, center-zip YKK #3 zipper
- OuterBag: Quilt-through construction, left-zip YKK #5 zipper
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BLUESIGN Certified Partner - BLUESIGN gives you the assurance that only companies that act responsibly were involved in the manufacture of a product that is designated with the BLUESIGN® product label.
- This product contains 100% Certified RDS Down Certified by Control Union CERT 879262
- DowntekTM PFC-Free uses bluesign® approvedPFAS-free water-repellent chemistry
- PFAS-free WR finish on fabrics
- Recyled fabrics
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Big Agnes is a small, independent US outdoor brand out of Steamboat Springs, Colorado – a small ski-town that we’ve never visited but which we like to imagine is full of mountain-loving, trail-hiking outdoorsy types. That would make sense, since the company makes some of the best ultralight backpacking gear around, including the award-winning Copper Spur, Tiger Wall and Fly Creek tents. It is kit that has clearly been designed by a gang of folks who love sleeping in the dirt just as much as we do here at WildBounds.
Oh, and if you’re still wondering where the heck that name Big Agnes comes from, we did try to find out. Depending on who you talk to, it’s either an affectionate tribute to a legendary truck drivin’ mountain mama, or a 12,000 foot peak in the Mount Zirkel Wilderness. We kinda like the first one better.