Wanna wear the ultra-patriotic red, white and blue jacket Jonny Gomes rocked to the White House this week? You'll get the chance ... 'cause TMZ Sports has learned it will be sold off for charity. The Boston Red Sox star personally picked out the jacket before he met President Obama -- and wore it…

Jonny Gomes actually did it -- he rocked the most patriotic jacket EVER during the Boston Red Sox visit to the White House this morning ... and his teammates LOVED it. The Sox were in D.C. to meet President Obama as a perk of winning the World Series last season. There were rumblings the entire…