Polartec® Power Shield® High Loft

The warmest, lightest fleece fabric available today, Polartec® Power Shield® High Loft fabric takes insulation to a new level by maximizing warmth, compressibility and breathability while at the same time minimizing weight. The most technically advanced of the Polartec® insulation fabrics, Polartec® Thermal Pro® achieves the utmost versatility and performance under extreme conditions. This level of performance is critical when you're skiing, backpacking or rock climbing, and all you have is what you can carry.