Measurements are in inches

Size   Length Chest  Sleeve 
 XS  28.5  20.5  24.5
 S  29  21.5  25
 M  29.5  22.5  25.5
 L  30.5  23.5  26
 XL  31.5  24.5  26.5
 XXL  32.5  26  27

For the chest measurement, on a flat garment, at under the sleeve, measure the chest from side to side.