Wore this on a chilly morning hike and it was exactly the right weight, warm without making me sweat on the climb. The two chest pockets actually fit my phone and keys, which I didn't expect.
The organic cotton flannel is noticeably softer than the stiff ones I've owned, and it's warm without making me sweat indoors. The two chest pockets actually fit my phone, which is rare. Been wearing it on cool mornings and it's holding up well after a few washes.