4 Oz. 100% Polyester Double Mesh With PosiCharge® Technology. Partially Made From Recycled Coffee Grounds. Moisture Wicking With Odor Control. Snag-Resistant And Colorfast. Neck Taping. Self-Fabric Collar. 3-Button Y-Placket With Dyed-To-Match Buttons. Set-In, Open Hem Sleeves. Tag-Free Label.