Is the outdoor look losing its appeal?Market research data in ORCA’s Top-Line Report, a bimonthly measurement of retailsales of outdoor products, reveals a 21-percent decline in specialty store apparel salesbetween 1997 and 1998. Apparel sales for September/October 1997 were $156.6 million, and ayear later the same sales were measured at $124.4 million, or $32 million less.