• "FLAT" is a minimal design that makes the most of its flat structure. • Placing items inside creates a natural sense of volume, bringing rich expression to its simple form. • Sized to fit a 13-inch laptop, versatile enough for everyday use to business settings. • The adjustable-length strap uses recycled leather made from genuine leather scraps. • The KASANE series is inspired by "Kasane no Irome," a traditional Japanese color-layering aesthetic originating in the Heian period. • Uses a special knitting machine that only a few exist in Japan. • The material has a firm texture yet is lightweight, resists stretching vertically, and offers ample stretch horizontally. • Delivers more storage capacity and usability than its appearance suggests.