I placed the three I ordered into three different boots that felt they caused too much ball of foot pressure. I placed them under orthotics. They stay in place and the guide (I used the largest outline so did not cut) is clear and useful. So far they seem to help.

I bought these originally to take up a little bit of space which they did however, after wearing them a couple days I’ve noticed that they have definitely make the boots noticeablycomfortable.

I got sick of replacing cheap foam insoles on my favorite sneakers. These leather insoles have been a perfect replacement and I know they will stand the test of time.