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Size Chart GP Apparel

GP T-Shirt Sizing

Body Specification S M L XL XXL
Body Length (from shoulder) 25 3/8" 26" 26 5/8" 27 1/4" 27 7/8"
Chest Width (1" below armhole) 15 1/2" 16 1/2" 17 1/2" 19" 20"


GP FlexFit Ball Cap Sizing

S-M Hat Size 6 3/4 - 7 1/4, 

54-58 cm or 21 1/4”-22 3/4”

L-XL Hat Size 7 1/8 - 7 5/8
57-61 cm or 22 1/2-24”

How to measure for hat size: