Synthetic fill - Insulation reduces heat loss and increases warmth, even in the coldest temperatures Lightweight - A lightweight construction gives comfort and greater mobility Elastic binding at cuffs Exposed centre front zip Overlay at shoulders, sleeves and pocket Secure-zip sleeve pocket at left side Quick-drying and thermally-efficient, this Glacier Delta half-zip fleece from The North Face is ideal for cold weather. Polartec Classic Micro polyester fleece provides the perfect balance between weight and insulation while contrasting sleeve colours and a sleeve-mounted zipped pocket offer style and practicality. The top also boasts elasticated cuffs to keep the heat in and stop the sleeves from riding up.