8p6101732249wrote a review of Lake Winter Insole on December 27, 2017
Familiarity: I've used it several times
These keep my feet warm down to 35 degrees with just wool socks. You can cut them to fit. You could use them with any shoe, not just Lake. They effectively make my feet about 5-10 degrees warmer than without the insoles. I wear size medium which are 40-43.