Workout Jacket is made of Nylon and Spandex; quick-drying fabric and moisture wicking technology help keep you dry and comfortable.Slim Fit Sports Jackets with Thumb Holes provide hand coverage and warmth during the chilly seasons; Enjoy yoga, running, any workout activities better with this Track Jacket.Women's Lightweight Athletic Zip Up, you can wear it as an outer-layer for Spring/Fall, Mid-layer for Winter; Perfect activewear for exercise or everyday casual jacket.