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Sea to Summit Trailhead ThII 30°F Sleeping Bag

Sea to Summit Trailhead ThII 30°F Sleeping Bag

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Product details

A value-priced synthetic bag that’s appropriate for backpacking, travel, and car camping, the Sea to Summit Trailhead™ Sleeping Bag has a broader mummy cut for more comfort and weighs less than three pounds. The water-resistant, synthetic insulation is sewn into waves, known as WaveLoft™ construction, to keep a high level of loft and warmth down to 30ºF.

Key Features:

  • WaveLoft Construction – Like other Sea to Summit synthetic mummy bags, the Trailhead is designed with curves that allow the insulation to expand while retaining warmth.

  • Full-Length Zipper – The bag’s YKK® No. 5 zipper with two sliders extends down the side and around the footbox for ventilation options and can be completely unzipped to turn the bag into a comforter. (Note: This bag is not designed to zip to another bag for pairing.)

  • Oversized Draft Tube – The full-length, anti-snag zipper is backed with a 3D down-filled chamber to seal in warmth.

  • Stuff Sack Included – The bag compresses to 7.1L (regular) or 9.3L (long) in the included stuff sack.

Temperature rating
30° F
Fill type
Zipper location
Water Resistant
With Pocket
With Stuff Sack
Sea to Summit Trailhead ThII 30°F Sleeping Bag
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Top reviews
Would an expert recommend this for you?
Amy B
Amy B
Verified camping & hiking expert
Reviewed Jul 13, 2022

A feature-packed, value-oriented synthetic sleeping bag. This sleeping bag boasts a roomier mummy bag fit that can also be fully unzipped and used as a quilt! This makes it super versatile and adds extra ventilation in warmer weather. This sleeping bag packs down to about the size of a water bottle for easy packing and weighs 2.6lbs.