55% recycled cotton, 45% recycled polyester; three-button placket set-in with Dura-Pearl; buttons; 1x1 flat-knit rib collar and cuffs; taped neck; side vents; split tail; trapezoid sweat catch; double-needle stitched bottom hem; Red and Navy Mlange 60% recycled cotton/40% recycled poly; Bio White Mlange is 50% recycled cotton/50% recycled poly;