4.5 oz., 100% combed ringspun cotton fine jersey ; CVC Colors are 60/40 combed ringspun cotton/polyester; Ribbed collar, self-fabric back neck tape; Coverstitched front and back yoke; Contrast topstitched self-fabric sleeve stripes; Double needle hem sleeves and ribbed binding on leg openings; Innovative three-snap closure; Snap Tape Technology that keeps kids safe and secure; Side seam construction, EasyTear™ label; Inventory is transitioning to plastic snap closure; CPSIA compliant tracking la