Though not popular in the UK, kidney belts seem to almost ubiquitous in germanic countries.
What are they for? Warmth, protection, comfort?
I have a heated kidney belt which very effectively transfers heat from itself to the body core, but the great majority of them are not heated, so why?
What are they for? Warmth, protection, comfort?
I have a heated kidney belt which very effectively transfers heat from itself to the body core, but the great majority of them are not heated, so why?


belly 