5.4 oz., 50% cotton, 50% polyester; Oxford is 47% cotton; 53% polyester; Made with sustainably sourced USA grown cotton; Slightly contoured for a flattering fit; clean-finished side vents; SpotShield™ stain-resistant treatment; welt-knit collar; side seamed; Back neck tape for a clean, comfortable finish; Tagless label; pearlized buttons with durable cross stitching; Elongated four-button placket with bottom box stitch reinforcement; Double-needle stitched bottom hem; 1x1 rib knit sleeve bands;