1/4 Zip Sizing Chart:

Chest Length
XS 18 25.5
S 20 27
M 21 28
L 22 29.5
XL 24 31

Sun Hoodie Sizing Chart:

Sun Hoodie
Chest Length
XS 16.5 23.5
S 18 26
M 20 27.5
L 21.5 28.75
XL 24 30

Full Jersey Sizing Chart:

Men's Jerseys Sizing Chart (in inches)
XS S M L XL XXL
Chest 16 19.5 20.5 21.5 22.5 23.5
Length 26.5 27.25 28 28.75 29.5 30.25
Women's Jerseys Sizing Chart (in inches)
XS S M L XL XXL
Chest 16 16.5 17 18 19 20
Length 22.5 23.5 24.5 25.5 26.5 27.5