Western Mountaineering Cloudlite Sleeping Bag

The Cloudlite is designed for alpine environments where weight savings are critical. With a 15°F temperature rating and 850+ fill-power down, it performs best in cold, variable conditions where you need a reliable thermal envelope without the bulk of a traditional winter bag.

ExtremeLite is an ultralight fabric chosen specifically to keep the overall weight down while maintaining high breathability. While it is durable enough for standard backpacking use, it is a lightweight material, so you should handle it with reasonable care to avoid snags or tears.

The mummy shape is engineered for maximum thermal efficiency, which means it is cut closer to the body to eliminate dead air space. If you are a side sleeper or prefer more room to move, you may find the fit snug, but this design is essential for keeping you warm in sub-freezing temperatures.

Thanks to the high-loft down and the compressible shell fabric, the Cloudlite packs down to about 8 liters, or roughly 7 by 12 inches. It is designed to stow easily inside a pack, leaving plenty of room for your other essential gear.

Temperature ratings are generally based on the limit of comfort for an average user. While the bag is rated for 15°F, your personal comfort will depend on your sleeping pad's insulation, the clothing you wear, and your individual metabolism.