This piece is crafted with two distinct fabric sections. Fabric A is a blend of 93% Spandex, 3% Acrylic, 2% Polyester, and 2% Wool, giving the outer layer a soft, stretchy handfeel with a gentle ribbed knit texture. Fabric B, used for the inner layered look, combines 46% Rayon, 46% Cotton, and 8% Spandex for a smooth, breathable feel with comfortable stretch. Together, these materials support the piece's slim, fitted silhouette and make it well suited to commuting and Korean-style casual wear in autumn and winter, whether worn alone or as a layering piece.