- 100% cotton.
- Machine washable.
- Size 4/4T has an 18" body length and a 21" sleeve length. Sleeve length is taken from the center back of the neck.
- Long sleeves with ribbed cuffs. "PRL 1931," a checkered flag, and stripes printed at the left sleeve.
- "Ralph Lauren Speedway International PRL Grand Prix 500 Mile Race 19th International 1931" and a winged-tire printed at the center front.