Originally Posted by
macteacher
What's a chemical warmer? I biked in today and half way through my toes started to freeze. I thought I was getting frostbite. I just couldn't believe how much my toes were freezing. I did have two thick wool socks on...it made my feet very tight. I could barely move my toes....but I thought that would be better.
Check 'em out
here.
You shake them and put them inside a glove or boot. They do need air ciculation to work properly, so don't use them inside any sort of wind sheild (water proof sock, bag or toe cover).
I've had varying degrees of success with them. Typically they work good, but, again, need air to work properly.