Ideal for winter mountain climbing or long days in the hills, the Nebula Pro is a quick-drying insulated jacket designed for winter adventures in cold, damp conditions…The durable outer layer you can wear throughout winter, the Nebula Pro is made from Pertex Quantum Pro, a weather-resistant fabric. The Cirrus™ insulation lofts like down even in the wet, keeping you warm even as bad weather blows through. A helmet-compatible hood with flexible polymer peak and the two-way opening front zip has an insulated baffle adding protection.