SAVE SPACE and SHAVE WEIGHT with ultralight premium quality Hydrophobic duck down filling - nature's best light insulator with the highest warmth-to-weight ratio to beat the cold outdoor winter weather. Buy now and have zero regrets.

STAY WARM: Experience the result of WR 650 fill power duck down, a revolutionary ClusterLoft base, and waterproof fabrics. The microscopic air clusters found in down feathers creates "loft" that traps heat and keeps you warm from 40 to 60 degrees.

HIKE FARTHER with the LIGHTEST MUMMY DOWN SLEEPING BAG available (weighs ONLY 2.02 lbs. for size Short, 2.13 lbs. for size Regular and 2.24 lbs. for size Long) for this quality at the price. Compare to other big name brands to see the price difference we achieve through direct-to-consumer sales. Summit any mountain or camp by the summer sea with these compact bags and have room for carrying your favorite fleece blanket or silk liner, goose filled pillow, and pad.

LONG LASTING DURABILITY from ultralight water repellent 400T 20 D ripstop nylon fabric liner with two large YKK zippers with anti-snag sliders, wide shoulders and large footbox, snag-free velcro, drawstring, vertical baffles, and compression stuff sack case for storage included. Comes in size Short, Regular or Long (Tall / XL). Equipped for the trailhead, from the Alps to Everest.