Sure, it gets quite cold in some parts of the world. And it’s not always easy keeping your little toes toasty. So a company by the name of Digitsole came up with a creative and technology related solution, the Digitsole Warm Series insoles. It connects via Bluetooth to an app where you can track your stats. What stats you ask? Well not only do these keep your feet warm (it can heat up to 30 degrees Celsius in -25 degree Celsius environment for at least six hours,) but it also tracks steps, distance, and calories burned.

Read more about them here Mashable