Vintage Belstaff 

Nylon Quilted Inner Jacket  

100% Authentic

Fabric label is missing (took it from a similar jacket)

Shell: 100% Nylon

Lining: 70% Cotton 30% Polyester

Pockets:

Out: 4

Color: Black

Size : MEDIUM which is equal to:

UK 38

IT 48

US 38

but please check the measurements below 

Shoulders= approx 20.86 inches (53 cm)

Shoulder to cuff = approx 24.80 inches (63 cm)

Pit to pit=  approx 24.80 inches (63 cm)

Back length= approx 29.52 inches (75 cm)

Pit to cuff= approx 17.71 inches (45 cm)