Smart garment, user terminal, system including same, and method of changing design of smart garment

A user terminal comprising:

• a communicator configured to communicate with a server and a smart garment;
• a display configured to:
• display a garment display area showing at least one image of at least one smart garment found in a search for smart garments, wherein the display is further configured to display a search button provided to receive a command for searching for the smart garments and a pairing button provided to receive a command for pairing with a smart garment corresponding to a first image among the at least one image shown on the garment display area;
• in response to a user selection of the first image corresponding to the smart garment among the at least one image shown on the garment display area and pairing the smart garment with the user terminal by touching or clicking the pairing button, display a second image of the smart garment reflecting a current design of the paired smart garment based on design information transmitted from the smart garment and received by the communicator;
• and
• in response to the user terminal receiving a second design of the smart garment transmitted from the server and received by the communicator, display the second design of the smart garment transmitted from the server and received by the communicator;
• and
• a processor configured to, in response to a user selection of the second design of the smart garment displayed on the display, transmit information of the selected second design to the smart garment to the communicator in a manner that the current design of the smart garment is changed to the second design.