5.3 oz/yd2 / 180 gsm, 69% polyester, 26% lyocell 5% spandex jersey; The fiber lyocell from Lenzing? is a sustainably sourced, renewable and bio-degradable botanic fiber; Moisture-wicking and antimicrobial performance ; UPF 30+; Self-fabric collar with three-button placket ; Left sleeve silicone logo and woven logo on back right hem; Side vents; Stretch performance; Active fit, easy care