This iconic jacket is better than the usual lightweight ones- it has a a full lined/quilted torso and sleeves!

Vintage, "Monterey, California Parks & Recreations" Men's Satin Varsity Baseball Jacket (graphic features the crest of the city of Monterey)

Elastic, stretchy striped knit on collar, cuffs and waist trim
Front, slash hand pockets with flaps that keep things from falling out
Metal snap button front closure
Soft felt lining in pockets 
TAG SIZE: Medium (see below dimensions for TRUE FIT)
CHEST MEASUREMENT (armpit-to-armpit measurement across front -then doubled): 48 in / 122 cm
NECKLINE TO HEMLINE MEASUREMENT (length down back): 25.5 in / 65 cm
SLEEVE length measured from armpit to wrist cuff: 21 in / 53 cm

COLOR: Blue
MATERIAL: Shell: 100% nylon / Lining: feels like some kind of poly blend
BRAND: Pla-Jac by Dunbrooke (Made in USA)

CONDITION: Very good; gently pre-owned, well maintained vintage condition/ garment is thick & soft with crisp graphics