92% Polyester, 8% Spandex Imported PERFORMANCE THERMAL SET: Includes matching long-sleeve top and full-length bottoms for head-to-toe cold-weather protection. LIGHTWEIGHT FEEL, HEAVYWEIGHT WARMTH: flexible fabric delivers exceptional heat retention without bulk for easy layering. SOFT FLEECED INTERIOR: Brushed lining provides plush comfort while trapping body heat for superior insulation. MOISTURE-WICKING TECHNOLOGY: Recycled polyester fabric pulls sweat away from skin to help keep you dry during active wear. BUILT FOR EXTREME COLD & ACTIVITY: Ideal for skiing, hiking, hunting, or working outdoors in very cold to extreme cold conditions.