http://www.barefootrunner.com/2008/11/will-ecco%E2%80%99s-new-biom-shoe-fall-short/

I was so proud of myself for getting out for my 3 hour walk yesterday in spite of the -19°C/-2°F temperatures. I bundled up, set up my technology, and headed down what was actually a beautiful pathway with fresh snow that sparkled in the sun. As usual, my toes got pretty cold when I started out, but I knew that once I hit training speed, they’d warm up and...