When going for a run means facing frosty air, the men's REI Powerstretch Jacket keeps you warm from beginning to end thanks to lightweight fleece that insulates without weighing you down.
Polyester/nylon/spandex fabric features 4-way stretch for a close fit; fleece interior insulates and wicks moisture away to keep you comfortable when you start to sweat
Smooth nylon outer face resists snagging and pulling