4.5 oz./yd² (US), 8.3 oz./L yd (CA), 100% combed ring-spun cotton fine jersey; Flatlock-stitched seams; Double-needle stitched ribbed binding on lap shoulder neck, shoulders, sleeves and leg openings; Innovative three-snap closure; Side seams; CPSIA compliant tracking label on side seam; EasyTear™ label;