where can i find an authentic yankees hat with the final season patch on it?

where can i find an authentic yankees hat with the final season(stadium) patch on it? can you give me a website or a store that i can get one
i prefer mlb.com, but i cant find any on the site.
i also prefer lids, but i cant find any on that site ether. so can you help me look or give me other places

find it at the stadium

N.Y. YANKEES Authentic New Era Fitted CAP 59-50 7 1/2 $27.97

N.Y. YANKEES Authentic New Era Fitted CAP 59-50 7 1/2 $27.97