Book a room in the centrally-located and swanky Hopper Hotel et cetera, whose vicinity to the Belgisches Viertel will be paramount to the shopping-extravaganza that awaits.
Start the morning strolling around the neighborhood, taking in all of its fashion boutiques, such as Simon & Renoldi and The Good Will Out. Check out the men's labels at Monsieur Courbet and the impressive record collection next door before seeing what the cool kids are wearing at Brüßler Platz in the center of the district.
Grab a bite to eat at the popular Metzgerei & Salon Schmitz around the corner.
Be sure to visit one of Cologne's oldest operations, House of 4711, to sample the perfumes the city is famous for.