In honor of the 30th anniversary of their "Just Do It" campaign, Nike has selected former San Francisco 49ers QB to help promote it.

An early image from the campaign made its debut on Monday with a tweet from Kaepernick's Twitter account.  The text written over a black and white image of the former quarterback reads: "Believe in something. Even if it means sacrificing everything."

As part of the campaign, Nike will release new Kaepernick apparel, including a shoe and t-shirt.  They will also donate funds to his "Know Your Rights" campaign.  Nike supplies game-day uniforms and sideline apparel for the NFL's 32 teams.

Colin Kaepernick has become the face of a protest movement in the NFL against racial injustice and police brutality, ever since he decided not stand but kneel during the national anthem two years ago.  The NFL this May instilled a new policy that players may remain in the locker room during the anthem, but requires them to stand if on the field or face possible discipline by their teams.

Nike in the past has said it "supports athletes and their right to freedom of expression on issues that are of great importance to our society."


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