But you hardly needed to be a topographer—or a Celtic specialist—to appreciate a collection that was more straightforward than usual. The signposted fabric innovation this time was "hollow fiber"—like macaroni, apparently, but woven into a cloth that was both warm and light for shapely jackets. They were paired with the voluminous skirtlike pants that were a key item. Those came slashed open to reveal checks or stripes, or matched to body-conscious roll-necks for a look that combined past and future in a winning illustration of the blend of tradition and technology that helps Issey Miyake stand alone.