Based on this product's specifications, here are some alternatives and similar models
Jogging suit for 43 cm BABY born doll, Zapf Creation, navy
Summary description:
Navy jogging suit designed for 43 cm BABY born dolls by Zapf Creation. The set fits dolls of the specified height and includes a top and matching bottoms in a casual sports style. Suitable for everyday play, dressing practice and role‑play, the suit is easy to put on and remove and refreshes the doll’s wardrobe with a sporty outfit.