It is really disappointing while the shoes bought online are not correct fit. What would you do on such an instance?
If the shoes are not a correct fit, I would contact the seller and inquire about returning or exchanging the shoes. If the seller is unwilling to accept a return or exchange, I would look into the store's return policy to see if I am entitled to a refund. If the store does not offer a refund, I would reach out to customer service or a dispute resolution team to see if they can help resolve the issue.