A base layer that provides an extra serving of warmth! With the Polartec® Alpha® insulated pants for genuinely cold weather in the mountains — ideal in combination with hardshell pants. By uniting a stretchy outer shell and lining with high-stretch insulation, we’ve achieved unbeatable freedom of movement combined with excellent thermal insulation. The exceptionally moisture-permeable Polartec® Alpha provides extra insurance for an optimal microclimate. This product is made with Eco Finish, and eco-friendly water repellent finish without the use of fluorocarbons (PFC). The VAUDE Green Shape label stands for environmentally friendly, functional products made from sustainable materials.