SKU: SS24324 Weighs: 1118g (Regular) Comfort Limit: -18°C Type: Mummy Insulation Type: Down Fill Weight: 840g (based on regular size) Fill Power: 850 Down Treatment: Hydrophobic Zip Length: 3/4 Length Zip Position: Left Zip UOG TOP PICK—Sea to Summit has redesigned its renowned Spark sleeping bag line, which features high-quality materials and is ethically sourced down. Now, it features waterproof material at the hood and foot box for… Spark -18C/0F Down Sleeping Bag