FRAUDULENT - WARRANTY IGNORED

FRAUDULENT - WARRANTY IGNORED
We bought a pair of designer jeans which did not survive just one washing. However, Zalando automatically declined the warranty claim without even seeing or checking the item! We have even been denied the chance to send the faulty item back to Zalando. No reply to e-mail since then.
This is clearly a FRAUDULENT behaviour but a law suit would cost us too much :-( A big WARNING to all potential buyers.