The light and packable midlayer made for trail running, complete with optional hood and watch window.

• Tapered folds provide shape and structure at the back

• Long quarter zip for easy on-off while you're on the move

• Four-way stretch mesh for airflow and unrestricted movement

• Durable water-repellent coating for light protection

• Packable hood can be stored in the collar when not in use

• Thumb holes keep sleeves in place on cold weather runs

• Watch window lets you check the time without missing a beat

• Raglan sleeves for comfortable shoulder action