Coda 25/35 Down Sleeping Bag

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The Nemo Coda sleeping bag uses fewer materials without sacrificing warmth or comfort. It is suitable for three seasons and provides excellent warmth with RDS-certified down insulation.

Nemo says: 

With NEMO’s signature quality and innovation, Coda represents a new vision of what ultralight sleeping bags can be. Inspired by the traditional tapered mummy bag, Coda has a sleek, streamlined silhouette that shaves excess material and weight wherever possible — but doesn’t stop there. A mono-polymer design, Coda also meets our Endless Promise™ standard and can be fully recycled at the end of its life.

Our Verdict

The Nemo Coda 25/35 Down Sleeping Bag is designed with performance and sustainability in mind. Its tapered mummy silhouette ensures efficient use of materials, reducing weight without compromising warmth or comfort.

Temperature-wise, the Coda 25/35 is highly impressive. It is well-suited for three-season use with an ISO comfort rating of 3°C and an ISO limit of -2°C. This bag covers you whether you’re facing cool spring nights or brisk autumn mornings. The 800 FP RDS-certified down insulation, treated with a PFAS-free hydrophobic coating, provides excellent warmth while maintaining a light and compressible profile.

Key features include the Headwall™ Draft Guard, an innovative internal collar that prevents drafts and ensures a cosy sleep environment. The Thermo Gill™ Vent also allows for fine-tuned temperature regulation, letting you release body heat without exposing yourself to the cold.

The Coda uses bluesign® approved recycled materials for its shell and lining and adheres to Nemo’s Endless Promise™ standard, meaning the bag is fully recyclable at the end of its life. This eco-friendly approach does not sacrifice durability or performance, making it a responsible choice for environmentally conscious adventurers.

The Nemo Coda sleeping bag efficiently uses materials, reducing weight without compromising warmth or comfort. Suitable for three-season use, it provides excellent warmth with RDS-certified down insulation. Key features include the Headwall Draft Guard and Thermo Gill Vent for temperature regulation. The bag is eco-friendly with bluesign-approved recycled materials and is fully recyclable at the end of its life.

– Reviewed by Ultralight Outdoor Gear

Features

• Efficient, Tapered Design – Custom mummy silhouette cuts excess material for ultimate weight savings and packability.
  
• 800 FP Down Insulation – Premium RDS-certified down is treated with a PFAS-free, hydrophobic coating and provides excellent warmth, weight, and packability.
  
• Headwall™ Draft Guard – Overlapping, turtleneck-inspired internal collar provides 360-degree protection from drafts and a plush, comfortable sleep experience.
  
• Thermo Gill™ Vent – Featuring an interior and exterior zipper with a draft-blocking intermediate layer, the vent incrementally releases body heat without direct exposure to the cold.
  
• Mummy Shape : Ermally-efficient patterning for an ultralight, ultra-packable bag. Careful contouring, a shaped footbox, and tapered core give an ideal fit with no wasted space.
  

Specifications

Short

• Weight: 662g
• ISO Comfort 37ºF / 3ºC
  
• ISO Limit : 28ºF / -2ºC
  
• Fits up to 5”6’ (168 cm)
• Packed Size: 10.0 x 6.5 in dia / 26 x 16 cm dia

Regular

• Weight: 709g
• ISO Comfort 37ºF / 3ºC
  
• ISO Limit : 28ºF / -2ºC
• Fits up to 6’ (183 cm)
  
• Packed Size: 10.5 x 6.5 in dia / 27 x 16 cm dia

Long

• Weight: 808g
• ISO Comfort 37ºF / 3ºC
  
• ISO Limit : 28ºF / -2ºC
• Fits up to 6’6”(198 cm)
  
• Packed Size:  11.0 x 6.5 in dia / 28 x 16 cm dia

Material & Construction

• Fill – RDS-certified 800 FP down w/ PFAS-free DWR
  
• Shell – bluesign® approved 100% post-consumer recycled polyester ripstop w/ PFAS-free DWR
  
• Lining – bluesign® approved 100% post-consumer recycled polyester taffeta w/ PFAS-free DWR
  
• Hood & Footbox – 100% recycled waterproof/breathable polyester w/ PFAS-free DWR
  

Help & advice:

• The Ultimate Guide to Lightweight Sleeping Bags
• Time-Saver Guide to Choosing a Sleeping Bag
• Nemo Sleeping Bag Guide
• Recycled Content in Outdoor Gear
• Why is ‘PFC Free’ Important?
• Down Quality
• All About Down
• Hydrophobic Down
• Responsible Down Standard
• Ethical Down
• The Bluesign System