These are the flexible sizes for respective age group as per mentioned in CM.

Caps
Approx Age	Size
3-8 years	52

 

Boy's hat:

Material and technologies:

• 95% cotton, 5% elastane (weight 300 g/m2)
• soft-touch material
• Oeko-Tex Standard 100 certificate

Washing and care:

• Wash with similar colors up to 40°C.
• Wash and iron inside out.