Snowbird™ Pro 1000 Down Mummy Sleeping Bag 0°F/ -17.8°C

A closer look

Snowbird™ Pro 1000 Down Mummy Sleeping Bag, 90% Down Fill, -17.8°C Comfort Rating, 10D Ultralight Shell for Extreme Cold Backpacking. Key Features: 3-In-1 Dual-Zipper Design for Custom Comfort: Unlike traditional bags, our innovative dual-zipper system offers three distinct modes: Side-Open, Half-Open, and Fully-Open. Whether you need to free your arms to read, vent heat to prevent overheating, or completely unzip it to use as a quilt, this versatile design provides dynamic temperature control for all seasons. 90% Premium Down & 1000mm Cleanliness: Stay incredibly warm without the bulk. Filled with 90% high-loft down and rated at 1000mm+ cleanliness, this backpacking sleeping bag delivers exceptional insulation in freezing temperatures. The high-cleanliness down is odorless and hypoallergenic, making it safe and comfortable even for sensitive skin. Parallel Baffle Structure – No More Cold Spots: Engineered with a premium parallel box-baffle construction, the interior is divided into independent diamond-shaped compartments. This advanced structure locks the down in place, preventing shifting or clumping when you toss and turn. Enjoy uniform 360° warmth with zero cold spots along the seams. 10D Ultralight, Water-Repellent & Anti-Slip: Crafted from 10D tear-resistant fabric, this ultralight sleeping bag is water-repellent and highly breathable to keep you dry. The back features integrated anti-slip straps to securely attach the bag to your sleeping pad, preventing midnight sliding and maximizing thermal efficiency (1+1>2 warmth). Mummy Cut with Lab-Tested Temperature Ratings: Designed for serious outdoor enthusiasts, the contoured mummy shape and adjustable hood minimize heat loss from your head and shoulders. With professional lab-tested comfort ratings, this compact sleeping bag is the ultimate gear for winter camping, mountaineering, hiking, and backpacking adventures.