Size guide:
Pay attention :
In order to have enough mobility 
Size m fits to a person with Chest circumference 105 -110 cm
Size L fits to a person with Chest circumference 111-120 cm
Size XL fits to a person with Chest circumference 121-130 cm 
S
Chest Size: 44" (112 cm)Length From Shoulder To Bottom: 30" (76 cm)Sleeve Length: 9" (23 cm)Sleeve Circumference: 18" (45 cm)
M
Chest size: 48" (122 cm)Length from shoulder to bottom: 32" (81 cm)Sleeve Length: 10" (25 cm)Sleeve Circumference: 20" (50 cm)
L
Chest Size: 55" (140 cm)Length from shoulder to bottom: 34" (86 cm)Sleeve Length: 11" (28 cm)Sleeve Circumference: 22" (56 cm)
XL
Chest size: 60" (152 cm)Length from shoulder to bottom: 36" (91 cm)Sleeve length: 12" (30 cm)Sleeve circumference: 24" (61 cm)