Saw these on Sharktank seems to reduce a lot of shock and are super thin. Seems perfect for a ski boot. Obviously the tech is patented but has anyone stuck a pair in a pair of boots. If it works good it would be awesome to see a company license the tech and put it in liners or boot boards.
https://noene.co/products/undersole-sos1-insoles
https://www.newschoolers.com/videos/watch/993359/Noene-Insoles-As-Seen-On-Shark-Tank