Naturehike CWM400 Ultralight Down Sleeping Bag

Meet the Naturehike CWM400 Ultralight Down Sleeping Bag — a compact, warm option for backpackers and campers who value weight and space efficiency. It’s designed to deliver reliable warmth in cool nights while staying remarkably packable.

• Weight & footprint: Approximately 790 g (about 1.74 lb) with a highly compact pack size for easy carry on long hikes.
• Insulation: 800 fill power white goose down with 400 g total fill weight delivers warmth in 0–6°C conditions.
• Shell & construction: 20D nylon fabric reinforced for durability, skin-friendly feel, and a YKK zipper for smooth operation.
• Size & packability: Sleeping area of 200 × 80 cm; stores to a compact Φ16 × 35 cm for efficient packing.
• Versatility: Unzips to become a large down blanket or mat for indoor/outdoor use; can be joined with compatible products to form a larger two-person setup.
• Color: Navy exterior with a sleek, durable finish.

The CWM400 is designed to reduce the load on your back without compromising warmth. The combination of lightweight 20D nylon, high-fill-down insulation, and a smart cut means you stay comfortable on shoulder-season camps, weekend hikes, or alpine routes where every gram counts. When the night calls for flexibility, unzip it to spread out as a blanket or mat, or connect with other compatible pieces to share warmth on a two-person adventure. This is a practical choice for travelers who value performance, portability, and thoughtful design in a single sleeping bag.