Snowbird™ Base SP550 Mummy Sleeping Bag 29°F / -1°C

Snowbird™ Base SP550 Mummy Sleeping Bag 29°F / -1°C, RDS-certified 650FP down sleeping bag with square baffle construction and 20D fabric — engineered for comfort in the wild. Key Features 650FP Water-Repellent Duck Down – Filled with 650FP down that resists moisture and maintains loft even after 120+ minutes of soaking. With 90% down content and 1000mm+ cleanliness rating, it delivers odor-free, long-lasting warmth. RDS-certified for humane and fully traceable sourcing from farm to finish. Dual-Zipper Multi-Mode System – Features side-open, full-open, and foot-vent modes, allowing you to free your arms, stretch your legs, or open it completely as a blanket. Sleep in any position without feeling confined. (*Foot-vent and full-open modes not available on BASE1100 model.) Square Baffle Construction – Vertical baffles divide the down into independent square compartments, preventing fill from shifting or clumping. This ensures consistent, even insulation across the entire sleeping bag with no cold spots. 20D Ultra-Light Fabric – Crafted from lightweight 20D fabric that is water-repellent, breathable, and tear-resistant. It offers reliable protection against light moisture and outdoor wear while keeping the bag featherlight and easy to pack.