81% Cationic Colorfast Polyester/ 19% Spandex With Moisture Management Fibers (Body, Sleeves),93% Cationic Colorfast Polyester/ 7% Spandex Mesh (Collar, Shoulder And Under Arm Area),Solid Color Front And Back Body Fitted Jersey,Body Fabric Has Power Stretch And Recovery For Full Range Of Motion In All Areas,Body Color Mesh Collar With Bar-Tac At Center Front For Reinforcement,Full 360 Degree Mesh Vent Zone At Bottom Back Sweep And Shoulder Through Under Arm For Moisture Transport And Performance,Flat Lock Seamed At Armhole To Reduce Friction And Improve Durability,Straight Hemmed Bottom And Sleeve Openings