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

Socks
0-3 months	13/15
0-24 months	16/18
3-24 months	19/21
12-24 months	22/24
2-5 years	25/27
3-8 years	28/30
6-12 years	31/33
9-15 years	34/36
12-15 years	37/39
15 years	40/42

 

Boy's socks:

in the set: 2 pairs

Material and technologies:

• 75% bamboo,
• 22% polyester,
• 3% elastane Oeko-Tex Standard 100 certificate

Washing and care:

• Wash at temperatures up to 30 ° C.
• Do not chlorinate.
• Do not tumble dry.
• Do not iron.
• Do not dry clean