The verdict
The Parsec 0 is the fast-and-light pick — Therm-a-Rest's lightest zero-degree bag for speed missions.
Strengths
- +Lightest zero-degree bag tested
- +Toe Box for foot space
- +Therm-a-Rest's sleep-system integration
- +Compact packed size
Watch-outs
- −Not as warm as Kodiak MF at the rating
- −Less premium feel than WM
- −Shorter draft tube
How it compares
Lightest pick. Less warm than Kodiak MF. Toe Box.
Who this is for
At a glance: fast-and-light winter trips where pack weight matters.
Why you’d buy the Therm-a-Rest Parsec 0
- Lightest zero-degree bag tested.
- Toe Box for foot space.
- Therm-a-Rest's sleep-system integration.
Why you’d skip it
- Not as warm as Kodiak MF at the rating.
- Less premium feel than WM.
- Shorter draft tube.
Rating sources
Our 4.6 score is the average of these published ratings. More about methodology.
