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Big Agnes Zirkel UL 20 Degree Sleeping Bag

Item # BGA95203M
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$449.95

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$449.95

Availability: In Stock!

Ships tomorrow.

Availability: In Stock!

Ships tomorrow.
The high-performance Big Agnes Zirkel UL 20 Degree sleeping bag
delivers the all-weather reliability normally associated with synthetic
insulation and the lightweight, compressible performance of down.
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Description

Details

Delivering the all-weather reliability normally associated with synthetic insulation and the lightweight, compressible performance of down, the Big Agnes Zirkel UL 20 Degree sleeping bag is a high-performance option for 3-season backpacking.

The Zirkel UL 20 Degree bag is insulated with 850 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. A nylon microfiber rip-stop shell also features a water repellent treatment and provides lightweight durability.

Insotect Flow technology is used in the Zirkel UL 20 Degree bag 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.

The Zirkel UL 20 Degree features the Big Agnes System, which integrates the pad sleeve in the design of the bag. 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. Plus, the insulation on the bottom of the bag is compressed by the sleeper's weight. Once compressed, the fill loses most of its insulating properties. The Big Agnes System is different, joining the bag and pad together. The pad slides into a sleeve on the bottom side of the bag, supplying insulation to the otherwise uninsulated bottom of the bag while the top and sides of the bag are insulated like a traditional sleeping bag. This design provides a secure foundation so you can roll, twist and turn freely during the night without ever rolling off your pad. It also prevents the bag from twisting and engulfing you in an uncomfortable mess. Big Agnes uses this system throughout their entire line of sleeping bags.

A number of other design features bolster the warmth and comfort of the mummy-shaped Zirkel UL 20 Degree bag. An insulated ergonomic hood, a draft tube located along the length of the zipper, and an insulated neck yoke lock in heat and keep out cold air. Integrated connection loops enable you to use the bag with a liner (sold separately). A built-in pillow pocket holds a Big Agnes Air Core Pillow (also sold separately), clothes or other pillows, providing a comfortable resting place for your head and neck.

Available in Regular (fits to 5’ 10") and Long (6’ 6") lengths, each Zirkel UL 20 Degree sleeping bag includes a nylon stuff sack and a mesh storage sack.

  • Integrated half pad sleeve design
  • Mummy shaped bag
  • Pillow pocket
  • Liner loops
  • 70" YKK #5 zipper
  • Mate together left and right zip bags
  • Mesh storage sack and nylon stuff sack
  • No-draft collar, no-draft wedge, no-draft zipper
  • Exterior loops for hang drying or storage
  • Pertex Nylon shell fabric
  • Pertex Nylon lining
  • Insotect Flow construction
  • 850 fill DownTek water repellent down
Specs

Specs

Best Use Backpacking, Camping
Insulation Type Down
Warranty Limited Lifetime
Type Down
Temperature Rating 20 Degrees F
Shell Material Pertex Nylon
Packed Size Regular :7"x6"
Long: 7"x6.5"
Other Stuff Sack and Storage Sack Included
Liner Material Pertex Nylon
Item Weight Regular: 2lb 4oz
Long: 2lb 9oz
Fits to Length Regular: 5'10"
Long: 6'6"
Fits to Girth Regular: 67.5"
Long: 72.5"
Fill Material 850 fill DownTek
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