Gilt Groupe's return confirmation email is a well-crafted and designed transactional email that effectively communicates the details of the return without requiring the recipient to log in. The subject line clearly states what happened, allowing the recipient to quickly understand the purpose of the email. The content provides essential information, such as the amount spent and the account credit received, while also offering quick links to the account and support. An image of the returned item is included, which helps the recipient verify the details of the return. The email's design also includes relevant sales pitches on the side, encouraging the recipient to use their credit towards a future purchase. Overall, the email is clean, simple, and respectful of the recipient's time, making it a great example of a well-designed transactional email.