5.3 oz., 65% polyester, 35% cotton piqu‚; durable, wrinkle-resistant piqué fabric; moisture-wicking; minimal shrinkage; retains color and shape for a professional look that lasts; dyed-to-match buttons with durable cross-stitching; double-needle hemmed bottom; welt knit collar that resists curling; welt knit sleeve bands; three-button placket with bottom stitch reinforcement