Last year Full Tilt came out with Apres Booties V1. This year they have higher top Apres Booties V2. Have any of you tried them? Last years' V1's may be small enough to shove into a small ski backpack.
https://fulltiltboots.com/en-us/c/apres-booties/
https://fulltiltboots.com/en-us/c/apres-booties/