NEW YORK — Who says style and function can’t go hand in hand? Not Ralph Lauren. In his cruise and holiday Polo Sport collections, the designer is creating such combinations as a snappy toggle coat with racy ski pants. “For the active, the technical skiwear has sleek lines and bold graphics,” he says. Here, Lauren’s shearling coat, wool turtleneck sweater and nylon, polyurethane and Lycra spandex fleece-backed pants. For more, see pages 8 and 9.