Exploring the outdoors requires the right gear. Zero-degree mummy sleeping bags ensure warmth in freezing temperatures. These sleeping bags offer comfort and protection during cold-weather adventures. Designed for camping enthusiasts, they provide essential warmth and durability. The TETON Sports LEEF Ultralight Mummy Sleeping Bag is perfect for backpacking and hiking, with a free stuff sack … Continue reading 7 Best Zero-Degree Mummy Sleeping Bags in 2025: Stay Warm on Your Outdoor Adventures