Includes storage sack. No stuff sack. The Rab Neutrino Pro 700 is a high-performance technical down sleeping bag engineered for alpine conditions and cold-weather expeditions. It features a mummy shape construction with a trapezoidal box-wall baffle design to maintain loft and eliminate cold spots. The shell is constructed from Pertex Quantum Pro fabric, providing wind resistance and weather protection. It is filled with high-quality 800 fill power European goose down, treated with a Nikwax fluorocarbon-free hydrophobic finish to improve moisture resistance. The bag includes an internal draft collar, a shaped hood with adjustable drawcord, and a three-quarter length YKK zip protected by an insulated internal baffle.