SKU: SS20730V Down Treatment: Hydrophobic Fill Power: 800 Insulation Type: Down Weighs: 842g Comfort Limit: -9°C Zip Length: 3/4 Length Zip Position: Left Zip Fill Weight: 418g Type: Mummy The Nitro 800 is a lightweight, warm bag designed around the traditional mummy bag but with a few unique features that make Sierra Designs bags stand out. Great value for a bag with this much going on. Sierra Designs sa… Nitro 800 20 Degree Down Sleeping Bag