The size is 40, but it is very small, somewhere between XS and S in men's sizing.

Built from a burly 7 oz. waxed canvas with every detail finely tuned, this trucker jacket from Taylor Stitch. Tightly spun cotton yarns are impregnated with a natural wax treatment for incredible water repellency finished with tonal corduroy from the famed British mill Brisbane Moss at the cuffs and collar.

Cuffs and collar finished in corduroy
Two rounded patch pockets.
Left pocket with pen slot
Front welt hand-warmer pockets
Two interior pockets at waist level
Zigzag reinforcement stitching on collar and front placket
Custom copper YKK doughnut buttons
Interior Wickett & Craig leather patch
No pleats on sleeves or back for a cleaner look
Handmade in California