New Era Mens 70353266 Purple - Medium/Large After decades as the official on-field cap of MLB New Era set its sights on rounding out its exclusivity with the nations largest sports leagues In 2012 New Era became the official sideline cap of the NFL and in 2016 became the official on court cap of the NBA - making New Era the only brand in sports history to have exclusive on-field sideline and on court headwear rights for all three major US leagues at the same time