Circuit Down Sleeping Bag

₹ 38,989

Temp Rating: -9°C

-9°C

Size: Regular

Regular
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DESCRIPTION

Adapt to any adventure. The Circuit’s semi-tapered-rectangular shape fits you and fits your travelling, camping and backpacking lifestyle. Its extra width allows you to sleep on your side, wrapped in 650+fillpower down and soft-touch fabrics. As the weather warms, the wraparound zipper lets you ventilate the bag from top to bottom, and even open it as a fully flat quilt. Sea to Summit design and quality, non-PFAS recycled materials and ISO-tested performance make this light, packable bag the perfect travel companion.

Features

  • Comfort in all conditions Opens flat for airflow on warm nights or zips closed to lock in warmth when temperatures drop
  • Efficient packability Quality 650+ fillpower Ultra‑Dry Duck Down and lightweight fabrics allow the Circuit to pack down small into the supplied compression sack
  • Room to move Soft touch liner and wider, thermally-efficient shape enhance warmth and comfort, no matter which position you sleep in
  • Precise ventilation Wrap‑around zip lets you fully open the footbox for maximum venting and fine-tune airflow to regulate temperature
  • Lightweight breathability Premium 20D fabric offers perfect next-to-skin comfort night after night after night
  • Consistent insulation Hybrid box‑baffle construction prevents down migration, eliminating cold spots for even warmth
  • Easy zipping YKK #5 coil zipper with anti‑snag plough ensures smooth, jam‑free operation in all conditions for hassle‑free use
  • Draft protection Shaped collar and continuous down-filled draft tubes minimise heat loss and maximise retained warmth
  • Verified warmth ISO 23537 certification confirms dependable insulation performance for rated temperatures
  • Internal pocket Zippered pocket stores essentials like your phone or head torch securely while keeping them insulated from the cold
  • Lower impact materials Constructed from bluesign APPROVED, 100% recycled fabrics designed to go the distance

TECH SPECS

  • Best Use
    Backpacking, Camping, Travel
  • Insulation
    Non-PFAS, RDS certified 650+ fillpower Ultra‑Dry Down
  • Shape
    Semi-tapered-rectangular
  • Zip Options
    Left Handed Full-Length YKK#5 with Zipper Plow
-9°C
Regular
Weight 1160 g
Compression Sack 20 L
Temperature Rating (ISO Lower Limit) -9°C
Women's Temp Rating (ISO Comfort) -5°C
Fits Up To Height 185 cm

Frequently Asked questions

Is this sleeping bag warm enough for cool-weather camping or travel?

Yes, this sleeping bag is great for cool-weather camping. The quality down and 3D hood keeps you warm when the mercury drops. For colder-conditions, try pairing the Trek 10°F bag, which has a draft collar, with our Women's Comfort Light Insulated Sleeping Pad (3.5 R-Value or higher) for maximum comfort and protection.

Is this sleeping bag suitable for warm weather and summer temperatures?

Yes, with a full-length side zipper and a secondary foot box zipper for ventilation, this sleeping bag is perfect for warm-weather camping. For hotter nights, simply unzip the bag to turn it into fully-flat, lightweight comforter.

Can this sleeping bag be zipped to another sleeping bag?

Yes! This sleeping bag can be zipped together with our Altitude, Journey, or Venture sleeping bag models. The Trek's regular and long sizes have the same side zipper length.