A Belgian influence is evident in both architecture and fashion at this modestly sized store. L'Eclaireur's offerings are displayed on glass and metal cases, amid high ceilings and wooden floors. The shop is dedicated to up-and-coming Belgian designers, including Martin Margiela and Ann Demeulemeester. Interspersed with their designs are styles by Paul Smith, Prada, Helmut Lang, and Dries Van Noten. L'Eclaireur also carries shoes, accessories, and women's wear. METRO: Saint-Paul

A stock of the latest fashions entices shoppers to frequent this three-story establishment. Colette carries fresh-off-the-runway designs, displayed before they reach other stores. Often times, customers must place their names on a waiting list to purchase in-demand items, but they find the wait to be well worth it. Also available are a water bar and café, books, magazines, and CDs. METRO: Pyramides, Tuileries

From casual wear to custom suits, this four-story fashion mecca brings Italian design to Paris. Foreign business professionals, movie and music stars, and city residents make their way through a labyrinth of stairs and halls in search of the latest Armani sweaters, shirts, leather shoes, underwear, glasses, and ties. The shop also features a kiosk with trendy fashion magazines, the latest CDs, and a café. At a biannual fashion party, models and celebrities wander among the latest designs. METRO: Saint-Germain des Prés

This chic, high-class boutique features the latest ladies fashions of Yves Saint Laurent, now designed by creative director Stefano Pilati, who keeps up the master's touch. Menswear is a couple of doors up the street at No. 32. METRO: Concorde or Madeleine

Charvet caters to well-bred gentlemen searching for the perfect bowtie with matching suspenders or handkerchief to complete an ensemble. Charvet has an excellent selection of men's silk ties in all colors and prints, as well as high-quality shirts, robes, and pajamas. The French decor boasts intricate decorations and carved wooden tables. METRO: Pyramides or Opéra

Jil Sander is renowned for German style – simple cuts mixed with top-notch fabrics, all high-quality. Blues and blacks are dominant colors in the minimalist shop, and garments include suits, blazers, shoes, turtlenecks, leather coats, light-colored cashmere sweaters, and wool pants. The four-story building features high ceilings with stone-and-metal staircases and inset shelving. METRO: Franklin Roosevelt

Popular among brokers and businessmen, this classic shop provides a vast selection of shirts and ties in varied colors, patterns, and fabrics. Lanvin is most famous for its "blue" shirts, and you'll have no trouble finding the signature item in any blue hue imaginable. Classic tailored suits are also available, and a café is located downstairs. METRO: Concorde