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Big Agnes Spike Lake 14 Down Sleeping BagEnlarge « »

Big Agnes Spike Lake 14 Down Sleeping Bag

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Quick Overview

  • Traditional mummy shaped bags without the pad sleeve
  • DownTek™ water repellent down insulation - warm, dry and environmental friendly
  • Collar and side panels feature Insotect Flow™ and body features traditional baffle construction
  • 70"/178cm YKK #8 zipper
  • Interior fabric loops for sleeping bag liners
  • Mate together left and right zip bags
  • Nylon stuff sack included
  • No-draft collar seals around neck to keep cold air from sneaking in
  • No-draft zipper tube insulates along the length of the zipper

Availability: In stock

  • Lake/Blue Lake/Blue


Traditional Mummy bags deliver value and comfort in a lightweight bag. Budget minded backpackers and dirtbags on the dole will want to get hooked up with one of these bags which are insulated with high quality down and constructed with Insotect Flow™ patented technology. If you’re in search of a lower priced mummy shaped bag constructed with top notch, lightweight materials, these will help you travel fast and light.

Insotect Flow™ is a flow-optimized insulation system that delivers uniform heat distribution and natural body contouring through its revolutionary baffle design. Flow Construction eliminates lateral and vertical down shifting by using vertical chambers with Flow Gates to regulate fill positioning and density. Strategically placed Flow Gates minimize vertical down shifting while vertical chambers minimize lateral shifting. With continuous vertical Flow chambers in place of traditional side seams, Flow bags eliminate potential cold spots which can occur with side seams. Vertical baffles now flow with your body for more rapid and uniform body heat distribution.

  Regular/6' Long/6'6"
Pad Size any any
Color lake/blue lake/blue
Fill Type 600 DownTek™ 600 DownTek™
Fill Weight 21.5oz 22.5oz
Bag Weight 2lb 7oz 2lb 10oz
Shoulder Girth 60" 62"
Hip Girth 54" 56"
Foot Girth 36" 38"
Stuff Sack Size L-9"x20" L-9"x20"
Bag Size
8.5"x8.5" 9"x10"

Additional Information

Style: BTMSLLL14-2015
Brand Big Agnes
Activity Backpacking
Frame Type N/A
Glove Type N/A
Sock Type N/A
Style N/A
Volume N/A
Lens Shape N/A
Type N/A
Bow Type N/A
Wader Type N/A
Shirt Type N/A
Pant Type N/A
Jacket Type N/A
Sandal Type N/A
Shoe Type N/A
Boot Type N/A
Vest Type N/A
Underwear Type N/A
Lens Type N/A
Shoe Type N/A
Hat Type N/A
Age Group N/A
Frame Shape N/A
Bulb Type N/A
Accessory Type N/A
Gate N/A
Feature N/A
Color N/A
Weight N/A
Gender N/A
Species N/A
Fly Type N/A
Technique N/A
Firearm Type N/A
Type N/A
Fuel Type N/A
Tool Type N/A
Use N/A
Use N/A
Material Down
Length N/A
Rod Length N/A
Height N/A
Filter Type N/A
Chemical Type N/A
Lure Action N/A
Sock Height N/A
Sleeves N/A
Temperature Rating 15 to 30
Capacity N/A
Lure Type N/A
Insulation Type N/A
Active Ingredient N/A
Cockpit N/A
Hook Type N/A
Lure Type N/A
Knife/Tool Type N/A
Luggage Type N/A
Features N/A
Bag Type N/A
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