Shirts:

Youth: S, M, L

Adult: S, M, L, XL, XXL

Elastic Pants: (Tee-Ball & Minor-B)

Youth: XS (20), S (20-22), M (24-26), L (28-30), XL (32-34) 

Adult: S (28-30), M (32-34), L (36-38), XL (40-42)

Belted Pants: (Minor-A & Major)

Youth: S (20-22), M (24-26), L (28-30), XL (32-34) 

Adult: S (28-30), M (32-34), L (36-38), XL (40-42)

Hats: 

Youth (6 1/4 - 6 7/8)

Adult (No dimensions given)

Belts: (Minor-A & Major)

Youth (Up to 28")

Adult (Above 26")

Socks: 

Tee-Ball (4-7)

Youth (8-11)

Adult (9-15)