MLB Baltimore Orioles Jake Arrieta White Home Short Sleeve 6 Button Synthetic Replica Baseball Jersey Big & Tall Spring 2012 Men's 100% Polyester Imported 100% Polyester Double Knit Made Of 100-Percent Polyester Double-Knit For Authenticity Authentic Decoration, Trim, And Printed Tackle Twill On The Front And Back Officially Licensed By Major League Baseball Honduras