5.3 oz/yd2 / 174 gsm, 69% polyester, 26% Lyocell 5% Spandex jersey; Moisture-wicking and antimicrobial performance; The fiber lyocell from Lenzing is a sustainably sourced, renewable and bio-degradable botanic fiber; Front placket with metal five-snap closure; Side vents; Stretch performance; Active fit; Easy care