50% cotton, 50% polyester; Oxford is 47% cotton; 53% polyester; two-button placket with bottom box stitched reinforcement ; welt-knit collar; SpotShield? stain-resistant treatment; back neck tape for a clean, comfortable finish; tagless label ; 1x1 rib knit sleeve bands; pearlized buttons with durable cross-stitching; double-needle stitched bottom hem; seamless body