Insulation pants for ski touring warm, extremely breathable, water resistant stretchy eco-friendly production An extra serving of warmth as base layer! 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® ensures a comfortable 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.