This is a FILA zip-up style jacket. It's thin and has a smooth feel, making it easy to wear. I used it as a light layer for running or when it was a little chilly during strength training. I've only worn it a handful of times, so it's in good condition. Size: L Measurements (laid flat): Width: approx. 51cm, Length: approx. 61cm, Sleeve Length: approx. 79cm Keywords: Rash guard, running wear, strength training, sportswear