Synthetic Smocks

Patagonia’s Nano-Air Ultralight Pullover is built for speed and breathability. It keeps you warm without overheating, but don’t expect hand pockets. Patagonia says:  Dial in your existing layering...

The Rotor smock is a super lightweight layer that is the perfect companion on a mountain marathon, run or even as a mid- layer on a hike or climbing trip. Its packability and weight make it an...