Trying to find orthotics or insoles to fit into sandals can be very difficult. Because of the way sandals are made, they are not what would be termed orthotic friendly.
But can you wear orthotics or insoles when your pair of sandals does not accomodate insoles or orthotics easily? The answer is yes. There are some orthotics or insoles that are specifically designed to comfortably fit within sandals:
Spenco Orthotics or Insoles– These orthotics carry a very low profile and can fit into most sandals without too much issue. The key is to place them down into the footbed and it should not be much of a problem. Spenco’s strength as an orthotic is dissipating force and stress along the course of the sandal
Foot Petals Killer Kushion– Now I doubt you will find many men that will wear these, however if you are a women and looking for an orthotic for your sandal or open toe heel consider these. These insoles were specifically formulated to be placed on sandals or open toed heels comfortably.