Spark -1°C/30°F Grey Yellow - Long

The Spark -1C/30F Down sleeping bag from Sea To Summit is the ideal sleeping bag for comfort-conscious adventurers.This season, the Spark has been reworked to fit you better, with a resized hood and improved zips.Ultra-light, the Spark has an exceptional weight-to-heat ratio, with a 850+ loft. Compact and stripped down to the bare essentials, it's the minimalist bag for long-distance treks and for those looking for a high-performance bag that won't weigh them down!Designed in a sarcophagus shape to retain maximum warmth, it is also made up of RDS 850+ down and a Ultra-Dry™ treatment for better insulation and compressibility. It therefore provides good water resistance in wet conditions. With its lightweight 10D nylon structure, it offers excellent breathability and effective temperature regulation.For even greater comfort, the model has sewn-in structures in the vertical padding at the torso, which optimise the position of the down to prevent it from shifting during use. This