If I receive my order and it's not the right size can I return it?
If the product meets the following requirements it can be returned or replaced. It must not show wear, it cannot be damaged by use or modification. It needs to be in the original packaging and it needs to be mailed with a copy of the original order receipt.
Can the Hallux Trainer Dress Insole be worn in tennis shoes?
Probably, why not? It's all a matter of personal preference but it might not be quite wide enough to accommodate the width of the tennis shoe. Try it and let us know.