Abstract: A method of selling an adjustable garment includes accessing a detachable garment site capable of selling detachable garments, selecting one of a plurality of vest parts in the accessed detachable garment site, displaying the selected vest part and selecting a first part to be attached to the vest part, displaying a first garment part, in which the selected first part is attached to the vest part, and selecting a second part to be attached to the first garment part, and displaying a second garment part, in which the selected second part is attached to the first garment part, and purchasing or cancelling the second garment part.