Measurements were taken with garment laying flat and are approximate. They may vary by up to 1/2"               


XL
Underarm to underarm:  21"                
Length:  27"  
Sleeve:  25"

Large
Underarm to underarm:  20"                
Length:  26"  
Sleeve:  24"

XS
Underarm to underarm:  17"                
Length:  25"   
Sleeve:  22"