This is a really cool collectible nylon jacket from Chalk Line for Builder's Square. Good 'ol Builder's Square- Way before Home Depot and the like. It's a varsity style jacket with the nylon shell and a soft acetate lining.  Pressed vinyl lettering in back.  It's a men's XL:
                                                                                         pit to pit- 25''
                                                                                         sleeves- 25''
                                                                                         length in back- 25''
It's the old fashion snap front short jacket that sets right on the hips. Has hand pockets. Ribbed trim. It's in unused condition- very nice, very cool.    ~   Click on the ''visit store'' for more stuff...