A timeless icon from The North Face, the 100 Glacier Full Zip Fleece is made from Polartec® micro fleece that delivers lightweight warmth thanks to its unique lofted structure. Air pockets trap air without compromising breathability, so you stay warm without getting sweaty. It's also the ideal layering piece to wear with a breathable-waterproof shell, and is finished with two zipped hand pockets and elasticated cuffs and hem. About Polartec® Classic Polartec® Classic is a versatile, weather-resistant fleece that delivers superior thermal insulation by trapping body heat in pockets of air. It is highly breathable and fast-drying too, ensuring you stay comfortable as your body works harder.