Our Get Along Shirt - Love Parenting 101 Hack Solid colors: 100% Cotton; Heather Grey: 90% Cotton, 10% Polyester; All Other Heathers: 50% Cotton, 50% Polyester Imported Machine wash cold with like colors, dry low heat RECOMMEND: buying the largest size possible. You've seen the shirt, time to watch it's magic in action as your kids behave just from the sight of this shirt coming out of the closet Lightweight, Classic fit, Double-needle sleeve and bottom hem