6.5 oz./yd, 100% ringspun cotton. Athletic Heather is 90/10 cotton/polyester. Pre-shrunk piqu. Welt knit collar that resists curling. 1x1 ribbed sleeves bands. Three-button placket with bottom box-stitch reinforcement. Pearlized buttons with durable cross-stitching. Double-needle hemmed bottom. Tear away label.