Big Agnes Gem Lake SL 17 Sleeping Bag (Synthetic)

Priced: $94.48 - $167.95
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Big Agnes Gem Lake SL 17 Sleeping Bag (Synthetic) -

Every night is ladies' night in the women-specific Big Agnes Women's Gem Lake SL 17 Degree Synthetic Sleeping Bag, with petite and regular sizes and plenty of durable, synthetic body-warming insulation. Filled with the high-tech Pinneco Core light, compressible fibers on either side of a breathable membrane, and constructed to maximize cubic loft and cushioning over your body, this smart, 17F-rated bag will keep you toasty in all but the wickedest weather.


  • No-draft collar seals around neck to keep cold air from sneaking in
  • Draft collar, draft wedge, and draft zipper ensure warm air stays in and cold air keeps out

Support and Cushioning:

  • Insotect Tubic construction brilliantly maximizes insulative cubic loft over your body and comforting, cushioning body support


  • Women-specific design features extra insulation in footbox
  • Big Agnes sleeping bags leave out the bottom insulation to save weight since insulation compressed by your body weight loses most of its insulating value
  • No-draft zipper tube insulates along the length of the zipper

Weather and Wind:

  • Cozy 17F-degree temperature rating keeps you toasty-warm in all but seriously cold weather


  • Comfort rated to 17°F


  • LEFT OR RIGHT ZIPPER? When you are in the bag, on your back, the right zip will be on your right side, left zip on your left side
  • 70"/178cm YKK #8 zipper - regular bags
  • Left- and right-zip bags mate together for a cozy coupling

Lining and Layers:

  • Soft, compressible, and light Pinneco Core synthetic insulation features a breathable membrane between two fiber layers made from 97% recycled content


  • Petite size fits women to 5'6"


  • Interior fabric loops for a sleeping bag liner
  • Ripstop nylon shell with Durable Water Repellent (DWR) finish is abrasion and water resistant
  • Mesh storage sack and nylon stuff sack included for convenient storing and packing
  • Durable nylon fabric shell resists water, and smooth nylon taffeta lining resists stains
  • Insotect Tubic construction provides maximum cubic loft and enhanced thermal efficiency


  • Traditional mummy shaped bags without the pad sleeve
  • Bag requires a sleeping pad to be fully insulated (sleeping pad available separately)
  • No-draft wedge insulate connection between sleeping bag and pad


  • Contoured hood with drawcord adjustment


  • Pinneco Core synthetic insulation has a breathable membrane between two layers of durable fibers, so it wicks moisture and retains uniform warmth
  • New Pinneco Synthetic insulation is more breathable, thermally efficient and sustainably engineered. It resists water from outside, while the Core Fusion technology seals the insulation like an air pump, actively drawing sweat from inside the bag.


  • Made in China


  • Traditional mummy shape gives body-contouring, efficient warmth with some wiggle room
Sierra Trading Post
Designed for mountain exploration, Big Agnes' 17°F Gem Lake SL sleeping bag features advanced Pinneco Core synthetic insulation with a breathable membrane to keep you warm and dry.

The Big Agnes Gem Lake SL synthetic bags are built for gals who like to get after it, or who just want the best synthetic bag out there. Featuring the latest synthetic technology, Pinneco Core, these bags are engineered to keep you warm, dry and comfortable with as little additional weight gain a synthetic bag could offer.

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Best Use:Backpacking
Foot Girth:34 in / 86 cm (Petite); 36 in / 91 cm (Reg)
Hip Girth:54 in / 137 cm (Petite); 56 in / 142 cm (Reg)
Insulation Type:Synthetic Insulation
Lining Material:Nylon Taffeta
Material:Nylon Ripstop shell, Nylon Taffeta bottom
Max User Height:5 ft 6 in (Women's Petite or Short), 5 ft 10 in (Regular)
Packed Size:9.5 x 12 in / 24 x 30 cm
Shoulder Girth:54 in / 137 cm (Petite); 56 in / 142 cm (Reg)
Temperature Range:11° to 20°
Temperature Rating:17°
Weight:3 lb 9 oz / 1616 g (Petite); 4 lb 1 oz / 1843 g (Reg)

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Big Agnes

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