Kim D.wrote a review of Superfeet Easy Fit 3/4 Heel Insert - Women's on October 30, 2012
Familiarity: I've used it several times
From the pictures, I got the impression that the plastic part of the sole was solid all throughout the arch. Turns out, these are more like the blue superfeet that have a lower arch that gives a bit with each step. Not my favorite since they flex inside my shoe but better than no insole at all. Next time, I'm going for a more solidly built arch.