Athletes wearing woollen socks instead of footwear during their training in Espoo. Running in socks through heavy snow - now about half a metre deep in many places - takes this to the next level. "You can do it quite light or you can do it really heavy in the deep snow as we did now. There is no shortage of warm woollen socks as many Finns have taken to knitting during long winter lockdowns. Parviainen recommends wearing at least two, preferably three, pairs of woollen socks to get the most out of the run.

Source: Otago Daily Times February 15, 2021 21:56 UTC