The men's Grayer sweatshirt with a stand-up collar is perfect as a second layer or, when the weather is nice, an outer layer. The Polarstretch Micro material has great thermoregulation properties and is breathable and stretch so it doesn't restrict your movement. It makes the sweatshirt perfect for active sports such as skiing and ski mountaineering. It is easy to put on, thanks to the short reverse zip. Compare prices from: Hannah in Men's Clothing