Super Genki t-shirt UA-5001-01
A - Length:
Place the end of the tape beside the collar at the top of the tee (Highest Point Shoulder). Pull the tape measure to the bottom of the shirt.
B - Chest: 
Measure yourself around the fullest part of your chest. Keep the tape measure horizontal. 
C - Sleeve length: 
Place one end of the tape at the top of the set-in sleeve, then pull the tape down until you reach the hem of the sleeve.

Size Length Chest Sleeve
S 25 ⅝ 31 ⅞ - 35 ⅜ 7 ½
M 27 ⅛ 35 ⅞ - 39 ⅜ 7 ⅞
L 28 ¾ 39 ¾ - 43 ¼ 8 ⅝
XL 30 ¼ 43 ¾ - 48 9 ½
2XL 31 ⅞ 48 ⅜ - 53 ⅛ 9 ⅞
Size Length Chest Sleeve
S 65 81 - 90 19
M 69 91 - 100 20
L 73 101 - 110 22
XL 77 111 - 122 24
2XL 81 123 - 135 25
* Product measurements may vary by up to 2″ (5 cm).