Nike Polo Size Chart

Youth  XS S M L XL
Size 4 6/8 10/12 14/16 18/20
Chest 25-26 26-28 28-30 30-32 32-35

 

Adult  S M L XL 2XL 3XL 4XL 5XL 6XL
Chest 35-37 38-40 41-43 44-46 47-49 50-53 54-57 58-60 61-63