Crazy Sombrero is one of the three skins released as part of the “El Bueno” Taquito! coin deal for Cinco de Mayo in 2017. This skin was available for purchase in early May 2017.
Crazy Sombrero could be purchased for $4.99 in a deal that included 3250 coins. It could also be purchased for $19.99 in a deal that included the Hot Taco skin and 50000 coins. Crazy Sombrero was not available for individual purchase and may not be available for purchase in the future.