Sea to summit Spark-1°C sleeping bag

Conquer cold nights with the ultralight SEA TO SUMMIT Spark -1°C sleeping bag. Engineered for minimalists and fast-packers, this bag delivers exceptional warmth (rated to -1°C) without the weight penalty. Its contoured mummy shape, thermal hood, and draft tube maximize heat retention, while intelligent baffle construction ensures consistent insulation. The full-length two-way zipper offers ventilation control, making it a versatile choice for three-season adventures like bikepacking and backpacking. Its incredibly small packed size frees up valuable space, letting you explore further. Ideal for adults seeking reliable warmth and comfort in chilly conditions