Chest measurement: With your arms down at sides, measure around the upper body, under arms and over the fullest part of the chest.
BUTTON UP SHIRT SIZE CHART
SizeChestLength
2XS41"30 1/8"
XS42 1/2""30 1/2"
S44"30 7/8"
M45 1/2"31 1/4"
L48 3/4"32 1/8"
XL52"32 7/8"
2XL55 1/4"33 3/4"
3XL59"35"
4XL61 1/2"35 3/4"
5XL64 1/2"36 5/8"
6XL67 3/4"37 3/8"
Button up shirts consist of 65% recycled polyester, 35% polyester
SIZING RECOMMENDATION:
Relaxed/Roomy fit. Runs large compared to standard sizing on purpose so that it fits roomy. So look at chest size for exact measurements.