5908 Size

Chest  Measure the chest around the fullest part, placing the tape close up under the arms making sure the tape is well up at the at the back over the sholder blades.
Waist   Measure around the natural waistline over any under garments which may be worn.
Sleeve  This is taken from neck center point, along the shoulder line and down the outer sleeve to the cuff edge.
Back Length Measure just under collar seam to the bottom of the garment.
5908 REG   M L XL 2XL
CHEST   47 51 55 59
WAIST   45 49 53 58
BACK LENGTH   33.5 34 34.5 35
SLEEVE LENGTH CENTER BACK   36 37 38 38.5
           
5908 TALL   LT XLT 2XLT 3XLT
CHEST   51 55 59 63
WAIST   49 53 58 62
BACK LENGTH   36 36.5 37 38
SLEEVE LENGTH CENTER BACK   37.5 38.25 39.25 39.75