FILE - In this Sept. 5, 2018, file photo, a large billboard stands on top of a Nike store showing former San Francisco 49ers quarterback Colin Kaepernick, at Union Square in San Francisco. Nike is pulling a flag-themed tennis shoe after Kaepernick complained to the shoemaker, according to the Wall Street Journal. (AP Photo/Eric Risberg, File)

This undated product image obtained by the Associated Press shows Nike Air Max 1 Quick Strike Fourth of July shoes that have a U.S. flag with 13 white stars in a circle on it, known as the Betsy Ross flag, on them. Nike is pulling the flag-themed tennis shoe after former NFL quarterback Colin Kaepernick complained to the shoemaker, according to the Wall Street Journal. (Nike via AP Photo)