5.5 oz., 100% combed ringspun cotton premium jersey (bow tie is 5 oz., 100% combed ringspun 1x1 baby rib); Heather is 93/7 combed ringspun cotton/polyester; Contrast, self-fabric binding and bow tie; Velcro® brand hook and loop closure; Bow tie is tacked on 4 corners for added stability; Easytear™ label; CPSIA compliant tracking label on garment; Fit: infant unisex