A bomber is always a solid option when the weather starts to cool down, but when the mercury decides to dive a bit, you're going to need a bit more insulation to stay warm as the season progresses. Coldsmoke's new Alpha-Lite Bomber keeps it warm and lightweight with a water-repellent ripstop nylon that's quilted with Polartec's Alpha insulation. The material combo keeps everything lightweight and streamlined and works great on its own or as a toasty mid-layer. 

$289, coldsmokeco.com