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Item # BGA9C204M

Big Agnes Anvil Horn 30 Degree Sleeping Bag

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Big Agnes Anvil Horn 30 Degree Sleeping Bag

By Troy

Enwild Gear Specialist

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A versatile option for backpacking or camping, the Big Agnes Anvil Horn 30 Degree sleeping bag employs high-performance water-repellent DownTek insulation and has a roomy semi-rectangular shape.


A versatile option for backpacking or camping, the Big Agnes Anvil Horn 30 Degree sleeping bag employs high-performance water-repellent DownTek insulation and has a roomy semi-rectangular shape.

The bag is insulated with 650 fill DownTek insulation. Down insulation has long been renowned for its compressible properties and efficiency in delivering an excellent warmth-to-weight ratio. The shortcoming of down has been its susceptibility to the effects of moisture, losing much of its performance qualities when wet or damp. DownTek insulation utilizes nano technology and a proprietary application process to provide water-repellency and both anti-microbial and anti-bacterial protection. The polyester ripstop shell fabric features a water-repellent treatment and provides lightweight durability. A polyester taffeta lining provides next-to-skin comfort.

Insotect Flow technology is used to help eliminate cold spots regulate the movement of down inside the baffles and offer better body heat distribution. Strategically placed Flow Gate construction eliminates lateral and vertical down shifting by using vertical chambers with "gates" to control the position and density of the down insulation.

In a traditional sleeping system, the bag lies on top of a sleeping pad. In this configuration, many people find themselves rolling off the pad at night. Not only that, but the insulation on the bottom of the bag is often compressed by the sleeper's weight and, once compressed, the fill loses most of its insulating properties. The Big Agnes System is different and joins the bag and the pad together. A Flex Pad Sleeve on the bottom of the bag accommodates pads of varying lengths, widths, and thicknesses and ensures that the pad stays beneath you. It also enables the pad to deliver warmth and it allows Big Agnes to save weight and bulk by only lightly insulating the bottom of the bag itself. You'll stay warm and you can roll and move comfortably during the night without ever worrying about slipping off of your pad.

The bag is designed to be used with 20"-25" wide Big Agnes sleeping pads (sold separately) with an R-value or suggested temperature range to match the bag's temperature rating. Big Agnes does recommend using a rectangular pad for optimal performance.

The bag also features a contoured and insulated hood, an internal "barn" to keep a pillow (sold separately) comfortably beneath your head, a roomy footbox, a no-draft collar, and a draft tube behind the anti-snag side zipper. There are internal loops that enable you to use a liner (sold separately) and external loops for drying or storing the bag when not in use.

Available in Regular (fits to 5'10") and Long (6' 6") size options, the Big Agnes Anvil Horn 30 Degree sleeping bag includes a mesh storage sack and a polyester ripstop stuff sack.

  • Free Range Hood gives you the freedom to lift your head. Jacket-style hood opening contours to the shape of your face for a comfortable, snug fit
  • Low profile cordlock lets you un-cinch the hood with one hand
  • Pillow Barn – keeps your pillow tucked in tight all night
  • Internal hood drawcord gives you a secure, cozy fit when cinched
  • Free Range foot-box - creates wiggle room for your feet
  • Rectangular shaped bag
  • DownTek water repellent down repels water while maintaining insulating value
  • Anti-snag zipper for a smooth, quick zip
  • YKK #5 anti-snag locking zipper
  • Zipper Garage
  • Mate together left and right zip bags
  • No-draft collar, no-draft wedge, no-draft zipper
  • Interior fabric loops for sleeping bag liners
  • Exterior loops for hang drying or storage
  • Mesh storage sack & polyester rip-stop stuff sack
  • Polyester rip-stop shell fabric with a water repellent finish
  • Polyester taffeta lining
  • Insotect Flow construction
  • 650 fill DownTek using bluesign Certified PFOA and PFOS free water repellant chemistry

Technical Specs

Best Use
Backpacking, Camping
Fill Material
650-Fill DownTek
Fits To Length
Regular: 5' 10"
Long: 6' 6"
Temperature Rating
30 Degrees F
Insulation Type
Item Weight
Regular: 2 lb, 2 oz
Long: 2 lb, 7 oz
Stuff Sack and Storage Sack Included
Limited Lifetime
Packed Size
8" x 17.5" (stuff sack size, but compresses even smaller)
Shell Material
Polyester Ripstop w/ DWR
Liner Material
Polyester Taffeta

1 Reviews

5 / 5


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Sort By

Victor A.


Lightweight and very warm


Lightweight, pack able


Pillow barn is a bit small