All Nick Campbell sunglasses come with a 30 day try-on period. If you are unsatisfied with your purchase for any reason, simply return it to us within 30 days and you purchase will be refunded in full. If you think you might prefer a different pair, we'll give you another 30 day try-on period from the day of exchange. To arrange the return or exchange of an item, please send an email with your order number to billing@nc-eye.com