This highly adjustable orthotic-friendly sandal is a must 

Arches Fire is a best seller with its removable podiatry designed innersole featuring variable arch support, which can be adjusted to suit your foot. The cross-over design of the straps and enclosed heel counter offer great support for those less stable on their feet and the adjustable straps make them versatile in dealing with different widths or swelling. The out-sole features PU and rubber for extra grip and stability. This is a great shoe to put your orthotics in. 

Podiatrist designed and orthotic friendly shoes.