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Sierra Designs - Twin Lakes 20 Deg Double Bag

Availability: Out of stock

Stock #: GJ2DA-
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The buddy system makes camping a lot more comfortable and enjoyable, especially with the Twin Lakes Double Sleeping Bag. This 2-person sleeping bag is constructed from recycled and durable fabrics and filled with SierraLoft™ synthetic insulation that keeps warm air cuddled close to your body, so there’s no question that you’ll both stay toasty, even on cold, damp nights. But just because you’re sleeping like two peas in a pod doesn’t mean you can’t have it the way you like it: the two-way, anti-snag zippers on both sides offer tons of ventilation options for personalized preferences and temperature control all night long, and its oversized fit is roomy to move around. When it’s time to roll out, simply roll it up and you’re good to go.


  • Recycled polyester shell and pongee liner for a lightweight, durable bag, while reducing the environmental impact
  • PFC-Free C0 DWR
  • The soft pongee fabric at the neck adds extra comfort
  • SierraLoft™ Synthetic Insulation is designed to capture warm air and keep it close to your body
  • Dual-sliding zipper allows you to open the bag in a variety of ways for increased ventilation
  • Hood cinch locks in heat
  • Two internal stash pockets provides convenient storage
  • Anti-snag zipper tracks for easy use with a draft tube along the zipper to prevent warmth from escaping
  • Easy roll-up straps attached to bottom of bag for compact storage


  • Temperature Rating: 20.0°F / -7.0°C
  • Bag Shape: Double
  • Weight: 8 lbs 3.5 oz
  • Fill Weight: 96 oz
  • Fits To: 78.0" / 198.0 cm
  • Length: 84.0" / 213.0 cm
  • Shoulder Circumference: 132.0" / 335.0 cm
  • Hip Circumference: 132.0" / 335.0 cm
  • Foot Circumference: 132.0" / 335.0 cm
  • Stuff Sack Size: 14 x 21 in / 33 x 53 cm

Additional Information

Year S2022
Material 68D Partially Recycled Polyester
Insulation 68D Partially Recycled Polyester Pongee
Temp Rating 20F
Length 84.0" / 213.0 cm
Shoulder Girth 132.0" / 335.0 cm
Hip Girth 132.0" / 335.0 cm
Foot Girth 132.0" / 335.0 cm
Packed Size 14 x 21 in / 33 x 53 cm
Weight 8 lbs 3.5 oz