Starbucks workers have staged walkouts this week at dozens of coffee shops in the United States to protest a policy change in their dress code that their union says should have been made through collective bargaining.

More than 2,000 Starbucks baristas at 120 U.S. stores have gone on strike since Sunday to protest a new company dress code.

More than 1,200 Starbucks employees with Starbucks Workers United have gone on strike to protest a dress code policy that went into effect this week