Translation of sandfarben

I hope you could understand my last letter to you. You see, when I write in Spanish I am not very confident. I always question myself and each and every sentence takes about fifteen minutes.
Moreover, these conception goes with generations, it is almost biologically inherited, they are path from parent to child. As a result the a child has similar believes as his father or mother.
I found a pair of Nike shoes for a bargain and I do not know until this day why those shoes were so cheap. I am sure that they are not fake, as they are great quality. My wife also bought a pair.