UFW said it sent Urban a cease-and-desist letter after noticing the shirt, according to the group's Twitter page:
@votolatino UFW attorneys sent a Cease & Desist letter to Urban Outfitters & they told us they are removing shirt from stores & website
— United Farm Workers (@UFWupdates) August 5, 2013
Here's the shirt in question. Huffington Post got a screen grab before it was removed:
And here's the UFW logo:
Urban Outfitters' sister store Anthropologie was recently criticized for allegedly copying an independent artist's design on an iPhone case.