SKU: SS23162 Weighs: 963g (Regular) Comfort Limit: -1°C Insulation Type: Synthetic Zip Position: Left Zip Type: Mummy A warm and cosy synthetic bag that goes along way to reduce cold spots and drafts from entering the bag. Big Agnes says:  Our Anthracite 30° traditional mummy style sleeping bag is designed to be taken anywhere … Anthracite 30 Synthetic Sleeping Bag