Boston Red Sox Authentic Jersey Red Alt 2007 World Series Size 40 #31 Jon Lester from my personal collection. Majestic Polyester Doubleknit. This is the stronger material that Majestic used for standard jerseys between 2000 - 2015 before permanently shifting to the perforated Flexbase in 2016 for all jerseys. 2007 World Series patch on left sleeve. This has the beautiful blue headspoon piping before they removed it.