6205 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.
6205 REG   XS S M L XL
CHEST   36 1/2 38 3/4 41 43 1/4 45 1/2
WAIST   34 1/2 37 1/4 40 43 46
BACK LENGTH   30 30 1/2 31 31 5/8 32
SLEEVE LENGTH CENTER BACK   30 30 1/2 31 31 1/2 32
           
6205 TALL   LT XLT 2XLT 3XLT
CHEST   43 1/4 45 1/2 51 54 1/4
WAIST   43 46 52 1/4 55 1/2
BACK LENGTH   33 5/8 34 3/4 35 1/2 36 1/4
SLEEVE LENGTH CENTER BACK   33 1/2 34 35 35 1/2
           
6205 PLUS   1XLP 2XLP 3XLP 4XLP
CHEST   48 1/4 51 54 1/4 57 1/2
WAIST   49 1/8 52 1/4 55 1/2 58 3/4
BACK LENGTH   32 7/8 33 33 1/2 34
SLEEVE LENGTH CENTER BACK   32 7/8 33 33 1/2 34