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Underspec'd and overdelivers - Sea to Summit Trek Tk I Sleeping Bag -650 Down-

Item: Sea to Summit Trek Tk I Sleeping Bag -650 Down-
Rating: 5
Author: captain camptastic

by captain camptastic, from VA, United States Written on September 11, 2017

Review for Sea to Summit Trek Tk I Sleeping Bag -650 Down-

Sea to Summit Trek Tk I Sleeping Bag -650 Down-

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captain camptastic's Review of Sea to Summit Trek Tk I Sleeping Bag -650 Down-

These bags are advertised as >650 down and the test results included with the bag showed substantially greater fill power. I'm a cold sleeper and the TKi kept me toasty on a high 30s overnight trip. Really great loft, light weight, and spacious. Great 2-3 season bag.

Pros:

Value
weight

Cons:

Color

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Last updated 2025-11-12 UTC.