Engineered to offer maximum levels of warmth and comfort, the lightweight and packable Alpine 600 Sleeping Bag is made for the mountains. It features a Pertex Quantum outer construction for durable windproof protection, while the soft recycled nylon liner promotes breathability. In between the fabrics, the high-loft trapezoidal baffles are filled with 650 fill power responsibly-sourced duck down that has been treated with Nikwax's Hydrophobic coating for exceptional performance even in wet conditions.There's minimal heat loss thanks to the cinchable 3D collar and chevron baffle design. A narrow mummy shape and angled footbox provides a snug sleeping environment and shaves vital centimetres and grams from the pack size and weight. Whether you're backpacking, mountaineering, wild camping or enjoying a family holiday, the Alpine 600 will deliver all the performance you need over three seasons.Three season down-filled sleeping bag650 fill R.D.S Certified European Duck Down with Nikwax fluorocarbon-free Hydrophobic Finish - maintains performance in damp conditionsPertex Quantum fabric - soft, lightweight and windproofFluorocarbon-free DWR - sustainably water resistantRecycled nylon liningWeight-reducing chevron baffle designTrapezoidal boxwall construction maximises loft and warmth3D neck collar withj drawcord seals in warmthCompact stuffsack and relaxed cotton sack includedHand filled in the UKWeight : 1.05kgComfort limit: -5cRab Sleep Limit: -9cPack Size : 40 X 22cm / 15.7 X 8.7 Inches