Frontcountry Duo Sleeping Bag: 20F Synthetic
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Sleep comfortably, or stay awake all night.
The outdoors is basically a giant boudoir, and it's far too large a place to sleep alone. Sierra Designs' Frontcountry Duo 20 Degree Synthetic Sleeping Bag aims to bring the room-for-two comfort of home to your camping adventures with a double-wide design that will easily accommodate you and your manpanion, so your outside adventures don't have to end when the sun goes down.
Water-resistant, compression-resistant, and durable synthetic insulation lines the Frontcountry to keep the cold ground and chilly weather from sapping your warmth, because the night can get icy even when you're sharing body heat. Insulated hand and arm pockets provide convenient spots for fingers when the night gets cold, and the Frontcountry's integrated comforter seals naturally around your body (or bodies) whether you're sleeping on your side, back, stomach, or significant other. It's also completely zipperless due to a wide front opening that allows you to get in and out easily and stretch without letting in drafts. The bag also sports a generous rectangular cut that lets you both spread out and a hood that easily fits standard pillows.
Details
- Synthetic insulation
- Nylon and polyester face fabric
- 50D polyester taffeta lining
- Integrated comforter
- Insulated hand and arm pockets
- Hands-free foot vent
- Adjustable 20-25in sleeping pad sleeve
- Pillow-compatible hood
- Item #SDS006N
- Material
- [face fabric] 40D nylon, 20D polyester, [lining] 50D polyester taffeta
- Insulation
- synthetic
- Shape
- double-wide rectangular
- Max User Height
- 6 ft 4 in
- Pad Retainer
- 2 adjustable straps
- Venting
- yes, hands-free foot vent
- Fill Weight
- 4 9.3 oz
- Degree
- 20 F
- Stuff Size
- 13 x 21 in
- Claimed Weight
- 7 lb 8 oz
- Manufacturer Warranty
- lifetime
Reviews
Q&A
What do you think about this product?
Overall Rating
5 based on 1 ratings
Review Summary
Fits True To Size
Screen reader users: the following list provides a visual scale to illustrate the product fit. Please refer to the heading above for the fit type in text.View
Selecting an option will reload the available reviews on the pageOctober 18, 2025
Great product!
- Familiarity:
- I've used it several times
Really love the product, is practical, and though that maybe it could be a little bit cooler but it's warm enough for low temps!
Do you have a question about this product?
October 24, 2025
Is this the bag that has the bottom that goes over larger air mattress?
October 18, 2025