With the SPARK -1C/30F DOWN SLEEPING BAG LONG from Sea To Summit, there's no excuse not to venture out into the wild in winter.

Its 850+ fill RDS goose down insulation offers optimum comfort down to 4C and even pushes the temperature limit to -1C. The down is treated with Ultra Dry Down to guarantee excellent resistance to moisture, increasing your comfort throughout the night. Its ergonomic sarcophagus shape optimizes warmth close to the body, and the adjustable hood reduces heat loss.

The ultra-light, waterproof fabric of both the lining and the outer shell is made of 10D nylon, offering extra water resistance to ensure you get the most out of your adventure.