Duro Handheld Color:phoenix red it is ideal for walk run 2424855403010 it is ideal for walk run & climb approach routes as suggested by the aesthetics derived from a perfect combination of running approach and the technical solutions inspired by the climbing world (sole The mid layer jacket offers light insulation made of warm Primaloft® Gold synthetic fibers which are applied only on the front and the collar Duro uses Osprey’s renowned attention to detail and an uncompromising range of features to provide a phenomenally high performance running pack Duro Handheld is designed to provide hand held hydration whilst leaving your fingers free to adjust your jacket or open an energy gel