Great pants designed for optimum performance in cold climates. Polartec® Alpha® insulation on the bottom, front thigh, and legs that will keep you warm and provide great breathability. Polartec® Power Shield Pro® on knees, back, and inside panels to optimize abilities for movements. Two zipped side pockets. Ideal pants for challenging outdoor activities. Shell: Polartec® Power Shield Pro®. Insulation: Polartec® Alpha®.