50% cotton, 50% polyester; Oxford is 47% cotton; 53% polyester; two-button placket with bottom box stitched reinforcement ; SpotShield™ stain-resistant treatment; welt-knit collar; 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; CPSIA Compliant