Justin Boots Sqaure Toe

I bought them and thought I'd like them but they are a size half to big and need smaller size and not much on the square toe kind have been in my closet since I bought them couple wks ago I paid 120 for them off fb market place and would take no lower then 85 for them , looking for a nice new pair of Nike shoes shoes size 6 or 6/12 would perfur black leather nothing wrong with them .. if possible