5.3 oz/yd2 / 180 gsm, 69% polyester, 26% lyocell 5% spandex jerseyThe fiber lyocell from Lenzing is a sustainably sourced, renewable and bio-degradable botanic fiberMoisture-wicking and antimicrobial performance UPF 30+Self-fabric collar with three-button placket Left sleeve silicone logo and woven logo on back right hemSide ventsStretch performanceActive fit, easy care