Neutrino Vest BELUGA BLACK The Neutrino Vest is a lightweight and very warm insulated down vest. This superb lightweight vest is ideal for backpacking in spring and autumn and for those cooler evenings year round. Pertex Quantum® fabrics keep weight and pack size down and 120g/4oz (size large) of 800 fill European goose down provides fantastic warmth for the weight. A stalwart of the Rab range for many years - this is a superb piece of kit for active use and ideal for travel where weight and pa