American Airlines will make “off-the-shelf” uniforms from a new vendor available for its flight attendants to purchase after thousands of them complained of allergic reactions to workwear the Fort Worth-based carrier rolled out last fall.

Flight attendants reported hives, headaches and rashes after wearing the new uniforms, their union says. The union says it has received more than 3,000 complaints

Aramark is providing the new uniform alternatives.

The new options include a polyester jacket…