From chilly days at your favourite resort to stop-and-go touring and cold-weather walks, there's no need to peel back layers with this versatile essential. Gilltek
 regulates internal temps by venting uncomfortable heat when you're working hard, and trapping it when you come to a halt. Articulated elbows maintain an ergonomic fit and a hidden bag lets you stash the jacket or even use it as a travel pillow.Main Fabric:
Insulation: