The shell fabric is made from 100% recycled materials, while the seamless construction produces better thermal efficiency and water resistance. Our 360° insulation system ensures the high-loft hollowfiber fill is evenly distributed throughout the entire bag – with half the fill in the top and half the fill in the bottom. Practical details like an anti-snag zipper guard, valuables pocket inside and contoured hood combined with the hardwearing functional shell fabric make this a robust, durable sleeping bag for colder weather.