3.4 oz. (US), 5.7 oz/Lyd (CA), 55/45 cotton/polyester broadcloth; Stain-release and wrinkle-free finish; Classic fit; Rolled button-down collar with pearlized buttons; Adjustable "Comfort Collar" gives up to an inch 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;