- All items: 100% cotton.
- Shirt and pant: machine washable.
- Shirt: Size 9 months has a 13" body length and a 14½" sleeve length. Sleeve length is taken from the center back of the neck.
- Pant: Size 9 months has a 5½" rise, an 8¾" inseam, and a 9" leg opening.
- Shirt: twill rugby collar; three-button rugby placket; long sleeves with ribbed cuffs; historical American flag patch at the right sleeve; "P.R.L. & Co Ralph Lauren" graphic at the left chest; even vented hem.
- Pant: belt loops; sizes 3 to 6 months have a faux fly; sizes 9 to 24 months have a zip fly; buttoned closure at the center front; elasticized back waist; two front angled pockets; back right buttoned pocket.
- Belt: 1" wide; silver-tone double-D-ring closure.