Big Agnes - Benchmark 20° Traditional Mummy Sleeping BagLightweight, synthetic fill mummy bag When warmth is just as important as packed size and weight, reach for the Benchmark 20. High loft synthetic insulation and a water repellent shell keep you warm and dry in any environment, while the traditional mummy shape increases thermal efficiency and provides enough wiggle room to create a cozy space for all types of sleepers. Keep those toes cozy and your pack light with the outfitter grade Benchmark