Track BackpackBAO BAO ISSEY MIYAKE Track Backpack This TRACK series backpack further embodies the charm of the triangular units that symbolize the brand and Issey Miyake's fundamental a piece of cloth concept. By encapsulating the brand's characteristic isosceles triangle units in the fabric, the bag's shape is created through structural movement, and you can enjoy its impressive look as it goes from flat to three dimensional. The bag pursues functionality with its