Men's Zero Jacket Black

Men's Zero Jacket is an ultralight men's training jacket from On that folds away into the tiniest of pockets, which makes it easy to pack – whether you're trail running, hitting the gym or need an extra layer for a late night jog. It is fully windproof and water-resistant, you can run, hike and cycle through gales and light rain without feeling the chill. Ventilated underarms keep you airy and dry as you work up a sweat. And it's made from recycled polyamide.