Rab Cirrus Flex 2.0 Women's Hooded Jacket The Rab Cirrus Flex 2.0 Hooded Jacket is a warm, highly practical insulating mountain layer. Designed to provide protection on outdoor adventures, the Cirrus Flex 2.0 Hooded Jacket is the perfect addition to your wardrobe. Featuring Pertex Quantum, the jacket uses an ultra-thin water-resistant coating to provide increased weather resistance for extreme conditions whilst remaining lightweight and breathable for all temperature comfort. Pertex Quantum is ideal for use in cold or damp environments where keeping warm and dry is crucial. As well as this, the Pertex fabrication maximises the efficiency of insulation to keep you toasty and warm when temperatures drop. To keep you comfortable and warm, Primaloft Silver Luxe synthetic insulation has been used within the construction of the jacket. The lightweight insulation offers unbelievable insulation by trapping warm air inside the garment for maximum warmth at minimum weight. As well