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Questions & Answers

Can I use these insoles and the accompanying heating element with m4 power plus batteries?

Asked by: Sunapee NH
​Yes these are compatible with the m4 power plus battery pack.
Answered by: REIservice
Date published: 2017-12-27

How is the heat supplied to the insoles?

Asked by: Ina A
​These insoles are powered by the Hotronic Footwarmer S4 battery kit.
Answered by: REIservice
Date published: 2017-12-31

How thick is this? My ski boots do not have a removable liner and I'm wondering if this will fit into the boot as well or if this is just not the system for me. Is this, for example, a lot thinner than a Superfeet insole?

Asked by: Virginia
​These insoles are 3mm thick and you can trim them for your best fit.
Answered by: REIservice
Date published: 2017-12-31
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