4.4-ounce, 100% recycled polyester interlock with PosiCharge technology body 4.1-ounce, 100% recycled polyester ultra-fine flat back mesh with PosiCharge technology Carbon footprint neutralized through the ClimeCo Certified Product ™ Program Moisture-wicking Odor-resistant Self-fabric collar Self-fabric neck tape Mesh back panel, under arm inserts, and colorblocked mesh sleeve insets 3-button placket Dyed-to-match buttons Forward shoulder seams Tear-away label A C-FREE ® Product **