Adidas Original SST Track Jacket Women's Size Medium Black White Zip Pockets Athletic Gym Workout Exercise Fitness. Built with just a bit of stretch for comfortable movement.

In good shape!  Comes from a smoke-free home.  

70% Polyester, 25% Cotton, 5% Spandex.  Machine wash, tumble dry.

Approximate measurements (laying flat): armpit to armpit: 21", length: 25.5", armpit to end of sleeve: 20"