Mr Price - Thorned trouser

I bought i trouser on the 4th September at Mr Price. I fitted and it fits me well. I went to work on the 9th of September and it got thorned between the legs. I returned on the 10th with the price tag as I lost the slip. The manager was very rude to me he refused to help me. I left the trouser there as I can't do anything with it. I also have the poof of payment on my banking app as I made an eft payment.