The Rab Solar 4 is a synthetically filled, sustainably made, autumn to winter sleeping bag with a slim fitting, tapered mummy shape.Designed for backpacking, bike and trekking trips, the Solar range offers great value and high performance, even in the worst weather. The premium sustainable choice and warmest in the range, the Solar Eco is made with 100% recycled materials and concertina style construction, trapping air to boost loft and warmth.Materials & Insulation20D Atmos™ recycled polyester ripstop fabric (41gsm) with fluorocarbon free DWRRecycled Stratus Synthetic Sheet - Stratus™ is a high-performance, synthetic insulation developed by Rab. This soft polyester insulation is designed to trap the maximum amount of air possible and offers superior warmth for its weight. Stratus™ retains warmth when wet and dries quickly, offering fantastic insulation in wet and cold conditions.ISO EN Temperature RatingsRab Sleep Limit: -11°CComfort: -2°CComfort Limit -8°CExtreme -27°CFeaturesOverlapped shingle upper construction with blanket baseSimple upper neck draft baffle to trap warmthAdjustable hood closure system with elasticated drawcord and cordlock adjusterYKK zipped internal stash pocketYKK 3/4 length main zip with synthetic filled baffle to trap warmthAnti snag internal zip guardAngled foot box for relaxed sleeping postureCompression stuffsack includedMummy shapeLeft-Hand ZipA closer lookCut to have a ‘mummy taper’ shape and angled foot box; this bag has a low pack size and weight without compromising on warmth or comfort and still allows for movement. An ergonomically designed, close-fitting internal collar with a hood drawcord, as well as a 3/4 length YKK anti-snag zip with an insulating draft tube to keep out the cold. Comes with a compression stuff sack. Rab Solar Eco 4 Sleeping Bag - Left-Hand Zip - Regular