ASTROTRAIL FZ W

The zipper glides so smoothly it’s almost satisfying to use, and the slim cut keeps everything snug without feeling tight on the trail. Wore it for a full day hike and barely noticed it was there—just the right warmth for a midlayer.

The slim fit is perfect for layering under a shell without feeling bulky, and it moves with me on steep climbs. I wore it all morning in windy conditions and stayed comfortable without overheating.

The zipper glides smoothly even when I'm layering up, and the slim fit keeps me streamlined without feeling restrictive. Wore it on a chilly morning hike and stayed comfortable the whole time.