Paule Ka stays youthful yet proper, with springy, knee-skimming dresses in cotton piqué, coats in black, white, or navy with three-quarter-length sleeves, and evening gowns showing just enough décolleté or leg. Métro: St-Paul. Other locations: 192 bd. St-Germain, 7, St-Germain-des-Prés, PHONE: 01-45-44-92-60; Métro: St-Germain-des-Prés. 45 rue François, 1, 8, Champs-Élysées, PHONE: 01-47-20-76-10; Métro: George V.