3.4 oz/yd² / 114 gsm, 66% cotton, 29% polyester 5% spandex broadcloth; Patented pucker-free taped seams; Specially fused collar, cuffs and placket for total garment performance; Dyed-to-match pearlized buttons; Specially constructed adjustable collar for up-to an extra inch of stretch; Straight collar with built-in collar stays; Bias cut back yoke; Wrinkle-free, stain-release; Slim fit; Easy care;