6.5 oz./yd², 100% ring-spun cotton Athletic Heather is 90/10 cotton/polyester Pre-shrunk piqué Welt knit collar resists curling 1x1 ribbed sleeve bands Three-button placket with bottom boxstitched reinforcement Pearlized buttons with durable cross-stitching Double-needle hemmed bottom Tear away label This product meets the following Sustainable Style subcategories - Sustainable ManufacturingSocially Conscious ManufacturingResponsible Mindset JERZEES 100% Ring-Spun Cotton Piqué Polo