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A warm and cosy down bag the reduces cold spots and drafts from entering the bag. 625g of Down Tek™ and a fill power of 650 gives Greystone 20 comfort limit of -7°.
Big Agnes says:
Our Greystone 20° mummy-style sleeping bag delivers high value and performance in a lightweight bag. Ideal for backpacking but versatile enough for couch surfing, it is insulated with DownTek™ and uses baffle construction for efficient heat distribution. If you’re in the market for a mummy shaped bag constructed with high quality, lightweight materials this bag is your ticket to getting out there in comfort and warmth!
Our Verdict
A warm and cosy down bag reduces cold spots and drafts from entering the bag. 625g of Down Tek™ and a fill power of 650 gives Greystone 20 comfort limit of -7°. It’s a generous-sized bag with plenty of room to toss and turn without the bag feeling constrictive. The Greystone has a nice well-fitting hood, an oversized interior anti-draft collar and an insulated tube along the hood, which all increase the bag's warmth, and prevent cold air from entering the bag.
This is an excellent 4 season bag, -7°C protection (with a good mat and good thermal layering) at a very reasonable weight and price!
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- Reviewed by Basecamp Gear
Features
- Our traditional down mummy bags deliver technical, lightweight performance to excel on and off the trail with high thermal value, compressibility, and comfort wherever you go
- Traditional mummy shape allows for lightweight and increased thermal value
- Contoured hood follows the shape of your head for a more comfortable fit
- Oversized interior anti-draft collar
- Low-profile cordlock lets you uncinch the hood with one hand
- Insulated tube along upper hood opening seals out drafts when cinched
- Anti-snag zipper for a smooth, quick zip
- Left zip, 65”/165cm YKK #5 anti - snag locking zipper
- Two-way zipper
- Zipper Garage
- Liner loops
- Mate together left and right zip bags
- Storage sack & stuff sack included
- No-draft collar and no-draft zipper
- Exterior loops for hang drying or storage
Specifications
Temperature Ratings
- Comfort: -7°C / 28°F
- Limit: -9°C / 16°F
- Extreme: -27°C / -17°F
Regular
- Our weight: 1035g (excludes storage bags)
- Fits: 183cm / 6ft
- Brands bag weight: 1.02kg / 2lbs 4oz
- Fill Type: 600 DownTek
- Total fill weight: 539g / 19oz
- Compressed size: 22 x 22cm / 8.5" x 8.5"
- Stuff Sack Size: 23 x 51cm/ 9" x 20"
Long
- Our weight: 1133g (excludes storage bags)
- Fits:198cm /6'6"
- Brands bag weight: 1.11kg / 2lb 7oz
- Fill Type: 600 DownTek
- Total fill weight: 595g / 19oz
- Compressed size: 23 x 23cm / 9" x 9"
- Stuff Sack Size: 23 x 51cm/ 9" x 20"
Material & Construction
- Shell: GRS certified recycled 20D 400T polyester ripstop with PFC-free water-repellent finish
- Lining: GRS certified recycled 20D 380T polyester taffeta with PFC-free water-repellent finish
- Baffled construction
- 600 fill DownTek™ repels water while maintaining insulating value - bluesign® Certified PFC-free water-repellent chemistry
- YKK #5 zipper
