Borrowed from the boys...
 
A classic Paul Stuart sport coat in a deep navy wool with fine chalk pinstripes throughout. Tailored silhouette with structured shoulders, notched lapel, and a two-button front closure. Features flap pockets at the hips, a welt chest pocket, and a fully lined interior in a soft ivory tone. The pinstripe adds quiet interest while keeping the piece timeless and versatile
 
Era:  Late 1990's
 
Size isn't marked but measurements are as follows:
 
Chest - 42"
Length - 32"
Sleeve - 32"
 
Some light pen marking on the interior.  Price is marked as is due to this
 
Emily wears this sport coat with vintage Armani single pleat corduroys and a vintage levis sport shirt.