NEW YORK — The Eighties’ sensibility is back, along with the opulent look. So it isn’t surprising that handbag designers are offering exotic skins with distinctive textures for fall. But this time around, they come in clean, streamlined shapes. According to Franca Pieroni, designer of Tardini, “Women are looking for a more luxurious bag. Yet with the simple-chic mentality of the Nineties, they want versatility, too.” Here, Tardini’s alligator bag. For more exotics, see pages 8 and 9.