Trek TKI Down Sleeping Bag

Sea To Summit
$279.00 - $299.00
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 Room to move + great option for any outdoor adventure 

BEST USE: All outdoor activities


WEIGHT: 1lb 10.8oz | 760g


The Trek down sleeping bag brings the comfort of a tapered-rectangular mummy shape and the versatility of a dual-zip ventilation system to wherever your travels may take you. The full-length side zipper and secondary foot box zipper allow you to increase ventilation or open the Trek completely flat like a comforter, and the quality down will keep you warm and snug on chilly nights.

The broader mummy cut gives you room to move inside the bag, regardless of your sleeping position. A Regular Wide model is available for those who really appreciate the extra wiggle room.

Light and compact, the Trek might just become your favorite trekking / backpacking / travel / camping / down sleeping bag.


  • ULTRA-DRY Down 650+ Loft 85% Down Cluster Premium Duck Down certified Responsible Down Standard (RDS)
  • Full-length YKK® #5 main side zip and foot box zip provide superior ventilation and allow the bag to be used as a comforter
  • Shaped hood and oversized zipper draft tubes (Trek 10°F also has a draft collar, fits snugly around shoulders) to seal in warmth and keep cold out
  • Internal pocket for phone / GPS / valuables
  • Includes lightweight Ultra-Sil compression bag and storage cell
  • Form a snug double sleeping bag by zipping to any Altitude, Journey or Venture sleeping bag

Tech Specs

  • BEST USEAll outdoor activities
  • COMES WITHUltra-Sil Compression Sack & Storage Cube
  • INSULATIONUltra-Dry Down 650+ Loft
  • SHAPERelaxed Mummy
  • SHELL FABRIC30D Nylon Shell
  • ZIP OPTIONSFull length left side and foot box zipper. Unzip fully to use as quilt or comforter. See ‘Features’ for bags which can be coupled to the Trek.