: Authentic soles are approximately 0.5 inches thick and very flexible. Counterfeits often have rigid, thinner soles (around 0.25 inches) that do not bend easily.
If you have already purchased a pair, check these details upon arrival:
: Gently pull the fur inside. Authentic sheepskin is naturally attached to the suede; if the fur peels away easily or looks like a separate glued-in lining, it is fake.