MARMOT NEVER SUMMER LIGHTWEIGHT SLEEPING BAG - LONG

The Marmot Never Summer Sleeping Bag combines reliable warmth, water-resistant insulation, and sustainable materials making it an ideal choice for backpackers and campers who demand lightweight comfort and dependable protection in changing conditions.

Filled with RDS-certified 650-fill-power down enhanced by Down Defender, this bag delivers excellent loft and insulation while maintaining performance in damp environments. Dual half-length zippers allow for easy access and customizable ventilation, while extended zipper flaps provide blanket-like coverage when unzipped. A cinchable draft collar helps seal in warmth, and a zippered footbox offers adjustable airflow for optimal comfort. Inside, a stash pocket keeps essentials close at hand.

Constructed from 100% preconsumer recycled nylon ripstop shell and recycled nylon taffeta lining, this mummy-style bag blends durability with eco-conscious design.

Temperature & Performance

Temperature ratings serve as general guidelines and may vary based on conditions and personal comfort. Backpacking bags are tested using ISO 23537 standards, simulating use with a single base layer, socks, and an insulated pad (R-value 5.38).

• Tested Comfort: 18°F (-8°C)

• Tested Lower Limit: 5°F (-15°C)

• Temperature Rating: 0°F (-18°C)

Technical Specifications

• Best Use: Backpacking

• Insulation Type: 650-fill-power RDS-certified down with Down Defender

• Water-Resistant Down: Yes

• Shell: 100% preconsumer recycled nylon ripstop

• Lining: 100% preconsumer recycled nylon taffeta

• Shape: Mummy

• Zipper Location: Left or Right options

• Weight (Long): 4 lbs. 1.1 oz.

• Fill Weight (Long): 2 lbs. 12 oz.

• Fits Up To: 83 in.

• Shoulder Girth: 64 in.

• Hip Girth: 59.8 in.

• Stuff Sack Size: 9.1 x 18.5 in.

• Stuff Sack Volume: 33.4 L

• Sleeping Capacity: 1-person

• Gender: Men’s

• Sustainability: Made with recycled materials

• Imported