POLO RALPH LAUREN Boys Flannel Shirt 

6/7 Years 

Red Mix Check Cotton 

"Matlock"

Ralph Lauren Boys Size 7 is a clothing size generally designed for an approximately 6/7 - year-old boy with specific height and waist measurements.
Size Specifications
According to size guides from retailers carrying Ralph Lauren products, the specific measurements for a Ralph Lauren Boys Size 7 are as follows:
Approximate AgeUSA SizesBoy's Height (cm)Boy's Waist (cm)
7 year7124-128 cm56 cm