10:46 AM PT -- The National Association of Police Organizations has fired off a letter to Nike chairman and CEO Mark Parker saying the org. is now calling for a boycott of all Nike products.
"In featuring Mr. Kaepernick in the 'Just Do It' campaign, Nike grossly insults the men and women who really do make sacrifices for the sake of our nation," the letter obtained by TMZ Sports reads.
"We are calling on all our member officers, their families and friends to join in boycotting all Nike products."
One of the largest police organizations in the nation is blasting Nike for the new Colin Kaepernick ad campaign .