Insulation, breathability and mobility - intelligently combined! Lightweight pants insulated with innovative Polartec Alpha for athletic ski tours. A combination of stretchy outer and inner fabrics with high-stretch insulation provides unbeatable freedom of movement paired with excellent thermal properties. The highly breathable Polartec Alpha and side ventilation zips also ensure an optimum microclimate. Stretchy leg cuffs with rugged Cordura abrasion protection can be quickly and easily adjusted over your ski boots. The bluesign standard guarantees environmentally friendly materials. This product features Eco Finish, a flourocarbon free (PFC-free) textile finish that provides environmentally friendly water repellency.