Marmot Hydrogen Sleeping Bag: This 3 season sleeping bag is lightweight and provides you with an enjoyable and comfortable night's sleep.

The 850+ Down fill and the ultralight LightForce nylon shell keep you incredibly warm in temperatures down to -1 Degrees.

Features like a full wrap hood and insulated draft collar try their best to keep all of the cold air outside the bag, allowing you to be snug and warm in your cocoon.

The Hydrogen is an incredible lightweight sleeping bag at only 596g and will last for near on forever with a lifetime guarantee from Marmot!