The sportswear giant released the first version of its ad on Monday, the Labor Day holiday. It featured the quarterback and the slogan: “Believe in something. Even if it means sacrificing everything. Just do it.”
Kaepernick, 30, has been without a team since opting out of his San Francisco 49ers contract in March 2017. In 2016 he was an originator of protests by NFL players, targeting racial injustice and police brutality, which often involve kneeling during the pre-game playing of the national anthem.
Donald Trump has made the protests a key part of his appeal to his base, arguing that the players are disrespecting the anthem, the US flag and the military.
Trump did not supply evidence for his claim of “anger and boycotts” but opposition to the company’s move was expressed widely and in some instances creatively on social media.
On Friday, the morning after the full version of the Nike ad played during the Philadelphia Eagles v Atlanta Falcons NFL season opener, the president asked: “What was Nike thinking?”