Are these authentic supra shoes?

I'm looking to purchase 100% authentic supra vaider black rasta shoes. Can you tell me if these are 100% authentic supra shoes, because the website says they are but i dont know if I should believe them. a href="http://www.supras.cc/supra-vaider-high-3/supra-vaider-s28027-black-rasta-225.html" rel="nofollow"http://www.supras.cc/supra-vaider-high-3…/a