_THE SEASON’S Left The tack—tne new proportion—a-Sonia Rykiel. Her b'ack/beige/grey .x-oc "tweed" ¡acket over a black wool sweater with piped cuffs. The unexpected difference-black n-ool /ersey "warm-up" pants. Hat-heeled patent dancing pumps Jacket, about $395; sweater, about $175, panis. about