I am new to cycling and I have brooks swallow saddle and pair of cycling shorts. After the ride, I observed that the short's fabric is a bit damaged. This happened at the same place for both shorts. I don't know what exactly is causing this to happen. Can someone please suggest me on how to prevent this?
I also applied saddle cream after buying the saddle. This happened immediately after the first ride with both shorts. please find image details here -
EDIT- short full photo - https://i.stack.imgur.com/sPEbc.jpg
EDIT - possible reason - https://i.stack.imgur.com/4dfzm.jpg