I SPRING CHECKLIST' SHEER MADNESS Flowing and/or transparent fabrics chiffon, organaza, silk, voile, crepe, georgette, handkerchief linen Li Mix "hard" and "soft" fabrics. Example: linen jacket/chiffon skirt Best bet: a chiffon blouse The newest evening suit has a navy silk crepe jacket, low-cut but ladylike, and navy tea-length chiffon skirt, from Carolina Herrera. The indispensable little black dress. In transparent chiffon and lace, Oscar de la Renta's version shows lots of skin. Patterned silk evening pants outfit is ac- companied by a long, billowy coat, both in brilliant turquoise, from Carolina Herrera. 56 IN STYLE