As a runner, I'm always looking for comfortable and functional women's fashion pieces, and this jacket ticks all the boxes! The fabric is lightweight and stretchy, and the pockets are perfect for holding my phone and keys during a run. As a result of my tests, I determined that it's also great for layering underneath a coat during colder weather.The only downside is that the sizing runs a bit small so be sure to check the size chart before ordering. Overall, i highly RECOMMEND it!See full review