Write your question here... My son is 18 months what size should i get him?

Tech Specs:

Material:

Nylon 

Insulation:

Removable recycled felt 

Sole:

Rubber 

Lacing:

Hook-and-loop plus elastic instep, drawstring with barrel lock closure cuff 

Recommended Use:

Winter, rated to -25F (-32C) 

Manufacturer Warranty:

1 Year 

Country of Origin:

Austria