Do you pack along a warm and cozy sleeping bag or one that's light on weight' Well, with the Rab 30 Degree Down Neutrino 400 W Sleeping Bag you won't have to choose. Offering toasty warmth in a lightweight package, it's the perfect companion for three-season treks and camps. Once you slip into this tapered mummy bag and feel its hydrophobic 800-fill down capture your body's heat, you'll hardly believe it was so light in your pack. Plus, since it features a weather-repelling Pertex Quantum fabric, water-repelling down, and a dry bag compression stuff sack, you can hike or climb in any weather and rest assured that your bag will still be nice and warm when you settle in to camp. Consider the trapezoidal baffles, anti-snag zipper tape, and neck baffle, collar, and drawcord hood your three-season bonus features.