Here is what the official 2015 MLB All-Star Game caps look like
Donruss and Panini – SABR's Baseball Cards Research Committee
MLB All-Star Game Hats Are Tribute To Classic Twins Batting Helmet Design
Topps – Page 3 – SABR's Baseball Cards Research Committee
2015 MLB All-Stars to Wear Striped Caps in Cincinnati – SportsLogos.Net News
Logo Design on Behance
2015 MLB All-Star Game caps revealed
2015 MLB All-Star Game Hats on Behance
2015 MLB All-Star caps feature horizontal stripes on the front - True Blue LA
Mississippi State Baseball Uniform History - Hail State Unis