Big Agnes Lost Ranger UL 3N1 15 Degree Down Sleeping Bag
The Big Agnes Lost Ranger UL 3N1 15 Degree Down Sleeping Bag is built with multiple features keeping in mind the usability and requirements of a traveler. The sleeping is warm, compressible, and comfortable, and an optimal choice for backpacking, trekking, and camping enthusiasts.
- 850 fill DownTek repels water while maintaining insulating value
- Insotect Flow vertical baffles contour to your body to provide a more comfortable fit and keep you warmer
- Spacious, rectangular-shaped outer bag with no-draft collar, wedge, and zipper with garage
- The inner bag is designed for side sleepers and made to move with you from side to side
- Three-quarter, anti-snag, ambidextrous zipper stays out of the way when side sleeping
- Layered inner and outer bags use offset quilted construction to minimize cold spots
- Keep your head snug and warm using the inner bag with a jacket-style hood
- Access top and bottom of both inner and outer bag with a two-way zipper for easy temperature control
- Easy access to discreet pillow barn on pad sleeve, keeps your pillow tucked in all night
- Ultimate comfort and additional warmth with hand tuck pockets at the top of the outer bag
- Self-equalizing Pad Cinch System adjusts to easily connect with a variety of pad sizes (pad not included)
- Manufacturer lifetime warranty against defects in materials and workmanship
- Storage sack & stuff sack included
Specifications
| Temperature Rating |
15°F (-9°C) |
| Inner Bag temperature Rating |
35°F (2°C) |
| Outer Bag Temperature Rating |
50°F (10°C) |
| Insulation |
850 fill DownTek |
| Compressed Size (Both) |
8.5" x 8" (22 x 20 cm) |
| Stuff Sack Size |
8" x 17.5" (20 x 45 cm) |
| Shell Fabric |
Ultralight nylon rip-stop |
| Lining |
Ultralight nylon rip-stop |
| Pad Sleeve |
Ultralight nylon rip-stop |
Pad Compatibility
- Recommended Pad Shape: Rectangular
- Fits Pad Sizes: 20 - 30" x 72 - 78" (51 - 76 cm x 183 - 198 cm)
What Our Experts Think
The Big Agnes Lost Ranger UL 3N1 15 Degree Down Sleeping Bag is an innovative and versatile solution for backpackers seeking warmth, adaptability, and ultralight performance. Here’s why it’s a standout:
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3-in-1 Versatility: Features a modular system with a removable inner bag and outer layer, allowing use as a single bag, quilt, or layering system for varying conditions.
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Lightweight and Packable: Ultralight materials and high-quality down compress easily, making it ideal for backcountry adventures.
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15-Degree Warmth: Insulated with 850-fill DownTek™ water-repellent down for reliable warmth in cold, damp conditions.
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Integrated Pad Sleeve: Prevents sliding off your sleeping pad, ensuring a secure and comfortable night's sleep.
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Eco-Friendly Design: Made with recycled materials and a sustainable DWR coating, reducing environmental impact.
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Roomy Fit: Provides a comfortable, semi-rectangular shape for side sleepers or those who prefer extra space.
The Lost Ranger UL 3N1 is perfect for adventurers who want a customizable sleep system that adapts to various temperatures and seasons without adding extra weight.
Q&A
Q: What is the Big Agnes Lost Ranger UL 3N1 15 Degree Down Sleeping Bag?
A: The Big Agnes Lost Ranger UL 3N1 15° is a versatile and ultralight 3-in-1 sleeping bag system designed for backpackers and campers. It offers a modular design with interchangeable components for maximum adaptability across different seasons and conditions.
Q: What does the 3-in-1 system include?
A: The system features:
- An ultralight down-insulated outer layer for standalone use in mild conditions.
- A down-insulated inner layer for lightweight, warm-weather camping.
- The option to combine both layers for maximum warmth in colder temperatures (rated to 15°F/-9°C).
Q: What insulation is used?
A: It uses 850-fill DownTek™ water-repellent down insulation, providing excellent warmth-to-weight ratio and moisture resistance.
Q: What are its key features?
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Integrated pad sleeve: Ensures the sleeping pad stays in place for a comfortable night's sleep.
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Customizable warmth: Adaptable for varying conditions with multiple configuration options.
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Lightweight materials: Ideal for ultralight backpacking.
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Eco-friendly design: Bluesign® approved materials and Responsible Down Standard (RDS) certified insulation.
Q: How much does it weigh?
A: The total packed weight is approximately 2 lbs. 14 oz. (1.3 kg), making it lightweight and portable for backpacking.
Q: Is it compatible with sleeping pads?
A: Yes, it integrates seamlessly with Big Agnes sleeping pads for added comfort and insulation.
Q: Who is this sleeping bag best suited for?
A: Ideal for backpackers and campers seeking a versatile, lightweight, and warm sleeping bag system for multi-season use.
Maintenance Tips
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Air Out After Use: Unzip and air out the sleeping bag after each trip to remove moisture and odors.
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Spot Clean When Needed: Use a damp cloth with mild soap to clean small spots and avoid full washes unless necessary.
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Wash Gently: For a thorough cleaning, hand wash or use a front-loading washer with a down-specific detergent. Dry completely in a dryer on low heat with tennis balls to fluff the down.
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Store Loosely: Avoid long-term compression; store in a breathable storage sack in a cool, dry place to maintain loft.
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Protect in Use: Use a sleeping bag liner to reduce dirt and sweat buildup.
Damage 
Loss 
Theft 
