SKU: SS24310 Weighs: 1894g (Regular) Comfort Limit: -18°C Type: Mummy Fill Weight: 1000g (based on regular size) Fill Power: 650 Down Treatment: Hydrophobic Zip Length: Full Length Zip Position: Left Zip Insulation Type: Down The Sea to Summit Trek -18°C Down Sleeping Bag is ideal for cold-weather camping. Its comfort rating of -11°C and 650+ Fill Power Duck Down provides excellent insulation and warmth. The semi-rectangular fit and e… Trek -18C Down Sleeping Bag