Rostock is an excellent shopping city. The city's historical center's Kröpeliner Strasse is the street wher you'll find the most popular German clothes shops, e.g.

For Women and men:
Peek & Cloppenburg
department store Kaufhof
C&A

For young:
H&M
New Yorker (Fishborn)

In shopping area Rostocker Hof there are e.g. accessories, shoe shops and gift shops.

Close to harbor on the way to city center (Bentwisch) Hanse Center – large shopping mall.