New York (CNN Business) Walmart employees' vests are getting a bold makeover.

Walmart WMT The signature blue vests that Walmart employees have worn for years will be replaced with a modern gray look with a neon blue, green or pink trim.last redesigned its uniforms in 2014.

The new vests will be made from recycled bottles and have bigger pockets than previous vests.

The vests are "neutral steel gray," and most associates will wear bright blue trim. Associates at Walmart's smaller Neighborhood Market stores will wear green trim. Self-checkout hosts at Walmart Supercenters will wear yellow with gray trim. And in the future, Walmart says employees will be able to choose other colors, including pink.

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