On Monday, November 28, 2016 at 9:16:30 PM UTC-5, wrote:
On Monday, November 28, 2016 at 8:46:12 PM UTC-5, Andrzej Kobus wrote:
Please post your suggestions. I need something warm but not too bulky.

Andrzej

Gerbings heated insoles:

http://www.revzilla.com/gerbings-heated-gear-guide

Instead of buying an expensive controller module, just buy the on/off switch. That is the system I use and it works very well. On/off switch:
http://www.heatedclothing4u.com/all-accessories