My friend had read a test that these shoes to -25 degrees have insulation. We have the sports shops searched but not found. So I ended up here and found them so very convenient for 99th Delivery was prompt as always with Amazon, ordered Sunday, Wednesday since. My Christmas present to myself :-) The cold I could not even try but I am very sensitive to the feet and these shoes are just comfortable and soft-I'm looking forward to colder days .... It is also not at all clunky built or so, looked at the picture Bissel trouble afterwards. Look more petite, she got in size 38th So highly recommended-again at any time
