44 chest so estimate this is a large although it is slim fit so maybe medium relaxed fit.

Features:
• Slim Fit
• Dark Gray with dots
• Dots
• Machine Washable

Size: Mens L

Measurements:
Armpit to armpit 22 in / 56 cm
Length 29 in / 74 cm

Condition: Pre-Owned Good

Faded size and care tags. In good shape otherwise. See measurements and photos.