The listed size is M and will fit a man's chest size of approximately 40" possibly up to 42" but please refer to the measurements below which are as follows:

Overall Length (from behind) = 65.5cm;

Armpit to armpit (flat front) = 58cm;

Sleeve length (shoulder seam to cuff edge) = 66.5cm

The jacket has a hood which can be removed by a zip near the collar and has a interesting belt feature inside the jacket which has been shown in the pictures listed