Must see 2: Lowest temps to wear jackets (see full guide):

 

°F / °C

Insulation

 

Ceres SV (Men's)

-15/-26

Down

Firebee AR (Men's - Women's)

-10/-23

Down

Dually Belay (Men's)

-7/-22

Synthetic

 

Thorsen (Men's)

-7/-22

Down

Centrale (Women's)

-5/-20

Down

Cerium SV (Men's - Women's)

-5/-20

Down

Therme (Men's)

-2/-18

Down

Camosun (Men's)

0/-17

Down

Patera (Women's)

5/-15

Down

Thorium AR (Men's - Women's)

8/-13

Down

Kappa (Men's)

10/-12

Synthetic

 

Atom AR (Men's - Women's)

10/-12

Synthetic

Magnus (Men's)

14/-10

Down

 

Cerium LT (Men's - Women's)

17/-8

Down

Atom LT (Men's - Women's)

23/-5

Synthetic

Proton LT (Men's - Women's)

23/-5

Synthetic

Cerium SL (Men's - Women's)

40/5

Down

Atom SL (Men's - Women's)

50/10

Synthetic

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