Starbucks is imposing new limits on what its baristas can wear under their green aprons. Starting May 12, employees will be required to wear a solid black shirt and khaki, black or blue denim ...

The change appears to align with the company's 'Back to Starbucks' strategy under CEO Brian Niccol, who assumed the role in August. The barista union has objected to the dress code change.

"We’re evolving our dress code in all stores to focus on simplified color options that allow our iconic green apron to shine and create a sense of familiarity for our customers, no matter which ...