4.1 oz. (US), 6.8 oz/Lyd (CA), 60/40 cotton/polyester; Fine yarn count shirting; Stain-release and wrinkle-free finish; Classic fit; Rolled button-down collar with pearlized buttons; Adjustable "Comfort Collar" for up to an inch of stretch at neck; Patented pucker-free taped seams; Specially fused collar, cuffs and placket; Split back seam with bias cut back yoke; Left chest pocket;