Snowbird(TM) Pro 1000 Down Mummy Sleeping Bag 0degF/ -17.8degC

Snowbird(TM) Pro 1000 Down Mummy Sleeping Bag, 90% Down Fill, -17.8AdegC 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 360Adeg 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.