I want to buy "3-hole steel boots" but my parents are against it. How can I convince them?

Hello everyone! I just want to make something clear. I'm a traditional skinhead, they're apolitical, so not anti-fascists but not fa either. After my parents found out, they threw away my 10-hole combat boots and said that all skinheads are Nazis. I want to buy new ones now, but low ones. They think they won't…