The 10 Best Backpacking Sleeping Bags of 2025: Lightweight, Warm & Packable

A great backpacking sleeping bag is essential for staying warm and comfortable on the trail. The right bag balances weight, warmth, and packability, ensuring you get a good night’s sleep without adding unnecessary bulk to your pack. We’ve rounded up the 10 best backpacking sleeping bags of 2025, so you can find the perfect fit for your next adventure.

Quick List of the Best Backpacking Sleeping Bags

• Feathered Friends Hummingbird UL 20 – Best Overall Backpacking Sleeping Bag
• Western Mountaineering UltraLite 20 – Best Ultralight Sleeping Bag
• NEMO Disco 15 – Best Sleeping Bag for Side Sleepers
• Therm-a-Rest Parsec 20 – Best for Three-Season Backpacking
• REI Co-op Magma 15 – Best Budget-Friendly Down Sleeping Bag
• Big Agnes Torchlight 20 – Best Adjustable-Fit Sleeping Bag
• Enlightened Equipment Revelation 20 Quilt – Best Backpacking Quilt
• Sea to Summit Spark Down 28 – Best for Fast & Light Backpacking
• Mountain Hardwear Bishop Pass 15 – Best for Cold Weather
• Kelty Cosmic 20 – Best Budget Sleeping Bag

How We Chose the Best Backpacking Sleeping Bags

We focused on warmth-to-weight ratio, packability, comfort, durability, and price, selecting the best options for every type of backpacker, from ultralight thru-hikers to budget-conscious campers.

Our Top 10 Backpacking Sleeping Bags of 2025

1. Feathered Friends Hummingbird UL 20 – Best Overall Backpacking Sleeping Bag

Why we love it: Ultra-lightweight, super warm, and highly packable, this bag is a favorite among serious backpackers.

• Temperature Rating: 20°F
• Weight: 1 lb. 7 oz.
• Insulation: 950-fill down
• Key Features: Water-resistant down, full-length zipper, exceptional warmth-to-weight ratio
• Best for: Backpackers looking for the ultimate balance of warmth and weight

2. Western Mountaineering UltraLite 20 – Best Ultralight Sleeping Bag

Why we love it: A premium ultralight sleeping bag that delivers serious warmth with minimal weight.

• Temperature Rating: 20°F
• Weight: 1 lb. 13 oz.
• Insulation: 850-fill down
• Key Features: Continuous baffles, ultra-packable, durable construction
• Best for: Ultralight backpackers who want premium warmth without bulk

3. NEMO Disco 15 – Best Sleeping Bag for Side Sleepers

Why we love it: Designed specifically for side sleepers, offering extra room and comfort.

• Temperature Rating: 15°F
• Weight: 2 lbs. 11 oz.
• Insulation: 650-fill down
• Key Features: Spoon-shaped design, Thermo Gills for ventilation
• Best for: Side sleepers who need extra space to move

4. Therm-a-Rest Parsec 20 – Best for Three-Season Backpacking

Why we love it: A versatile, lightweight sleeping bag built for three-season adventures.

• Temperature Rating: 20°F
• Weight: 1 lb. 12 oz.
• Insulation: 800-fill down
• Key Features: Zoned insulation, water-resistant shell, compression sack included
• Best for: Backpackers needing a reliable three-season sleeping bag

5. REI Co-op Magma 15 – Best Budget-Friendly Down Sleeping Bag

Why we love it: High-quality down insulation at a more affordable price.

• Temperature Rating: 15°F
• Weight: 1 lb. 14 oz.
• Insulation: 850-fill down
• Key Features: Lightweight, water-resistant down, great warmth-to-weight ratio
• Best for: Backpackers looking for a high-quality down bag on a budget

6. Big Agnes Torchlight 20 – Best Adjustable-Fit Sleeping Bag

Why we love it: Expandable side panels let you customize the fit for added comfort.

• Temperature Rating: 20°F
• Weight: 2 lbs. 12 oz.
• Insulation: 600-fill down
• Key Features: Expandable design, roomy footbox, insulated draft tube
• Best for: Campers who like extra room or adjustability

7. Enlightened Equipment Revelation 20 Quilt – Best Backpacking Quilt

Why we love it: This ultralight quilt provides versatile warmth and flexibility, perfect for weight-conscious backpackers.

• Temperature Rating: 20°F
• Weight: 1 lb. 5 oz.
• Insulation: 850-fill down
• Key Features: Open-back design, customizable fit, lightweight and packable
• Best for: Backpackers looking for a versatile quilt instead of a traditional sleeping bag

8. Sea to Summit Spark Down 28 – Best for Fast & Light Backpacking

Why we love it: One of the lightest sleeping bags on the market, great for ultralight hikers and summer camping.

• Temperature Rating: 28°F
• Weight: 1 lb. 3 oz.
• Insulation: 850-fill down
• Key Features: Ultra-light, compact, premium down insulation
• Best for: Fast & light backpackers needing a minimalistic bag

9. Mountain Hardwear Bishop Pass 15 – Best for Cold Weather

Why we love it: This bag provides extra warmth and durability, making it ideal for cold-weather backpacking.

• Temperature Rating: 15°F
• Weight: 2 lbs. 10 oz.
• Insulation: 650-fill down
• Key Features: Water-resistant down, durable shell, full-length draft tube
• Best for: Backpackers who need extra warmth in colder conditions

10. Kelty Cosmic 20 – Best Budget Sleeping Bag

Why we love it: A solid, budget-friendly option that still offers warmth and packability.

• Temperature Rating: 20°F
• Weight: 2 lbs. 10 oz.
• Insulation: 550-fill down
• Key Features: Affordable price, durable materials, reliable warmth
• Best for: Budget-conscious backpackers needing a reliable sleeping bag

Comparison Table of the Best Backpacking Sleeping Bags

Sleeping Bag	Best For	Weight	Insulation	Temperature Rating
Feathered Friends Hummingbird UL 20	Overall	1 lb. 7 oz.	950-fill down	20°F
Western Mountaineering UltraLite 20	Ultralight	1 lb. 13 oz.	850-fill down	20°F
NEMO Disco 15	Side Sleepers	2 lbs. 11 oz.	650-fill down	15°F
Therm-a-Rest Parsec 20	Three-Season	1 lb. 12 oz.	800-fill down	20°F
REI Co-op Magma 15	Budget Down Bag	1 lb. 14 oz.	850-fill down	15°F
Big Agnes Torchlight 20	Adjustable Fit	2 lbs. 12 oz.	600-fill down	20°F
Enlightened Equipment Revelation 20	Backpacking Quilt	1 lb. 5 oz.	850-fill down	20°F
Sea to Summit Spark Down 28	Fast & Light	1 lb. 3 oz.	850-fill down	28°F
Mountain Hardwear Bishop Pass 15	Cold Weather	2 lbs. 10 oz.	650-fill down	15°F
Kelty Cosmic 20	Budget	2 lbs. 10 oz.	550-fill down	20°F

Final Thoughts

Choosing the best backpacking sleeping bag depends on your adventure style. Whether you’re looking for ultralight performance, extra space for side sleeping, or a budget-friendly down bag, there’s an option for you. Prioritize weight, warmth, and comfort to ensure you get the best rest possible in the backcountry.

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