Pros:

1. It helps to reduce injuries related to running by providing a guide
2. With the textile pressure sensors, the smart socks help you monitor your foot landing technique
3. There is a cadence monitoring feature that helps you track the number of steps you've made and gives a voice feedback as you run.
4. With the Sensoria Fitness mobile app, you can get instant feedback on your smartphone and also use the Sensoria Virtual Coach to monitor your running form.

Cons:
It is fun, I can't find any cons except for the price.