BUERTS Ultralight 680FP Down Sleeping Bag for Backpacking

Choose your sleeping bag based on the lowest overnight temperature you expect, along with your sleeping pad, shelter, clothing layers, humidity, wind, and personal cold tolerance.

18℉ Option

• Cold-weather camping
• Fall and winter backpacking
• Mountain campsites
• Lower-temperature outdoor nights

0℉ Option

• Winter camping
• Cold mountain environments
• Backpacking in freezing conditions
• Outdoor users who need stronger insulation

-7℉ Option

• Serious winter camping
• High-altitude trips
• Snow camping and deep cold conditions
• Outdoor adventures requiring maximum warmth

Filled with 680FP premium down, this sleeping bag provides excellent loft, efficient warmth, and strong compressibility for outdoor use.

The high-loft down helps trap warm air while keeping the sleeping bag lighter and easier to pack than many bulky cold-weather sleep systems.

The mummy-style design reduces unnecessary inner space, helping keep warm air closer to your body during colder nights outdoors.

• Improved warmth retention
• Better warmth-to-weight efficiency
• Compact backpacking-friendly shape
• Designed for cold-weather outdoor sleep

The outer shell uses 400T 20D nylon fabric, offering a lightweight, durable, wind-resistant, water-repellent, and tear-resistant structure for outdoor use.

• 400T 20D nylon shell
• Lightweight outdoor fabric
• Wind-resistant and water-repellent performance
• Tear-resistant for camping and backpacking use

Built for hikers and backpackers, this down sleeping bag compresses into the included storage sack for easier packing and transport.

• Packable down sleeping bag design
• Compression sack included
• Designed for backpacking and outdoor travel
• Balances warmth, weight, and packed size

This sleeping bag is made for outdoor users who need reliable warmth and compact storage during cold-weather trips.

• Winter camping
• Cold-weather backpacking
• Hiking
• Mountaineering
• Snow camping
• Outdoor travel

Available in Blue and Black, this sleeping bag gives you practical color choices for different outdoor gear setups.

• Blue for a bold outdoor look
• Black for a classic technical gear style

• 680FP premium down insulation
• Three temperature options: -7℉, 0℉, and 18℉
• Mummy sleeping bag design
• 400T 20D nylon shell
• Lightweight and compressible backpacking construction
• Compression sack included
• Designed for hiking, camping, backpacking, and mountaineering
• Available in Blue and Black

BUERTS creates outdoor sleeping gear for hikers who need dependable warmth without carrying unnecessary bulk.

With 680FP premium down insulation, a heat-efficient mummy shape, 400T 20D nylon fabric, and three cold-weather temperature options, this sleeping bag is built for winter camping, backpacking, hiking, and mountain adventures.

• Air out after unpacking to help restore loft
• Store loosely in a dry and ventilated place
• Avoid long-term compression storage
• Keep the sleeping bag completely dry before storage
• Follow the care label before washing

What temperature options are available?

This sleeping bag is available in -7℉, 0℉, and 18℉ options for different cold-weather camping and backpacking needs.

Is this sleeping bag good for winter camping?

Yes. The lower temperature options are designed for cold-weather camping, winter backpacking, and mountain environments. Always choose based on your expected lowest temperature and full sleep system.

What does 680FP mean?

680FP refers to the fill power of the down insulation. It describes the loft and warmth efficiency of the down while helping keep the sleeping bag lightweight and compressible.

How should I store a down sleeping bag?

Store it loosely in a dry and ventilated place. Avoid keeping it compressed for long periods to help maintain down loft and warmth performance.