Starbucks baristas will have a dress code policy change, meant to coordinate with the well-known green apron, going into effect next month. The company wrote on its blog that employees will be required to wear solid black and long-sleeved crewneck,

Starbucks is updating its uniform policy, emphasizing the appearance of its recognizable “green aprons” as part of CEO Brian Niccol’s broader plans to revive the slumping brand.