First model is 183cm with a 99cm chest and wears a size M
The second model is 180cm with a 92cm chest and wears a size M
Measurements are listed in cm

Size Length  Chest  Sleeve length  Shoulders
M 65 136 63 58
L 67 140 63 60
XL 69 144 63 62

 

The first model is 6'0 with a 39.0 chest and wears a size M.
The second model is 5'11 with a 36.2 chest and wears a size M.

Measurements are listed in inches:

Size Length  Chest  Sleeve length  Shoulders
M 25.6 53.5 24.8 22.8
L 26.4 55.1 24.8 23.6
XL 27.2 56.7  24.8 24.4