headquarters

Our Sister
Lombardenvest 62
2000 Antwerpen
Belgium

office hours are 10am to 6pm (GMT +1)
Monday - Friday
+32 494 84 23 66

Flagship store - Castart x Our Sister

Monday: 12h to 17h
Tuesday: 12h to 17h
Wednesday-Saturday: 11h to 18h
Sunday (first of month): 12h to 17h

wholesale enquiries
dries@castartclothing.com

web & general inquiries
info@oursister.com