Material: 100% Polyester Mock Mesh Patented mesh Air Belt? for better air flow and less bulk under pant line Cool Base ? technology is made with interlocking moisture-wicking fabric for a lightweight, breathable feel Flex Base? uniform system reduces overall jersey weight and enhances mobility Rounded hem Tagless Heat-sealed MLB Authentic Collection jock tag above left hem MLB Batterman CFX? patch on center back neck Sewn-on tackle twill graphics Embroidered team patch on sleeve (where applicable) Worn by players on-field Machine wash Officially licensed Imported Brand: Majestic