Evolution 20 Synthetic Sleeping Bag Hammock V1
durable weatherproof 20° F rating perfect for car camping evolution hammock sleeping bag
Evolution 20 Synthetic Sleeping Bag Hammock V1
Evolution 20 Synthetic Sleeping Bag Hammock V1
Man laying in Grand Trunk Evolution Hammock looking at nature admiring its beauty
Man Sleeping comfortably and warm in Grand Trunk Evolution Synthetic sleeping bag Hammock next to lake
Woman laying in Grand Trunk Evolution Hammock staying warm and comfortable on a cool morning in the forest.
Evolution hammock partially in stuff bag
Evolution 20 Synthetic Sleeping Bag Hammock V1
durable weatherproof 20° F rating perfect for car camping evolution hammock sleeping bag
Evolution 20 Synthetic Sleeping Bag Hammock V1
Evolution 20 Synthetic Sleeping Bag Hammock V1
Man laying in Grand Trunk Evolution Hammock looking at nature admiring its beauty
Man Sleeping comfortably and warm in Grand Trunk Evolution Synthetic sleeping bag Hammock next to lake
Woman laying in Grand Trunk Evolution Hammock staying warm and comfortable on a cool morning in the forest.
Evolution hammock partially in stuff bag

Evolution 20 Synthetic Sleeping Bag Hammock V1

$ 179.95

Experience exceptional warmth and comfort

The Evolution 20 Synthetic Sleeping Bag Hammock combines advanced sleeping bag technology with hammock comfort. Designed for backyard and car camping, it features synthetic insulation and a baffled under-quilt to keep you warm down to 20 degrees. Made with weather-proof 40D Nylon Diamond RS 290 WR fabric, it includes 2 aluminum carabiners, a compression sack, and a storage sack. Note: Hanging kit/straps not included.

  • Integrated Design
  • Synthetic fill
  • Lightweight
  • Weather-Proof

Buy 2+ Get 15% off

Lifetime guarantee

Lifetime Warranty

We stand behind our products and provide a full warranty for the life of your product.

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money back guarantee

If you're not satisfied with the goods, you can return or exchange them within 30 days.

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Free Shipping

Free shipping: orders over $39 in the contiguous US, and orders over $200 internationally.

Grantrunk Features
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Evolution 20 Synthetic
Sleeping Bag Hammock

The Evolution 20 Synthetic Sleeping Bag Hammock features synthetic insulation and a built-in baffled under-quilt, this hammock keeps you cozy down to 20 degrees Fahrenheit without extra quilts. Its durable 40D Nylon Diamond RS 290 WR fabric is weather-resistant, and the hammock includes a smooth YKK zipper, 2 aluminum carabiners, and both a compression and storage sack. With a spacious 126 x 66-inch unfold size and a 400 lbs capacity, it's perfect for any adventure.

Portable & Comfortable

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Ultimate Portability

The Evolution 20 Synthetic Sleeping Bag Hammock offers unmatched portability with its lightweight 6.0 lbs design and compact packed size of 20 x 9 x 9 inches. It comes with a compression sack for easy packing and a separate storage sack, ensuring effortless transport and convenience for any adventure.

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Made for Every Adventure

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Lifetime Assurance

Based in Salt Lake City, Utah, our American-owned company proudly stands by the quality and durability of our products. We offer a 100% lifetime guarantee on the Mayfly Chair. If it breaks, we'll replace it—no questions asked. Enjoy complete confidence in your purchase, knowing your satisfaction is our top priority

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Which one is right for you?

Evolution Synthetic

$179.95

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  • Temperature Rating: 20°F
  • Weight Capacity: 400lbs
  • Synthetic fill

Evolution Down

$207.96

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  • Temperature Rating: 20°F
  • Weight Capacity: 400lbs
  • 650+ Fill Power Duck Down

360° ThermaQuilt 

$79.95

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  • Temperature Rating: 50°F
  • Weight Capacity: 500lbs
  • Synthetic 140 GSM fill

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FAQs

Have a question about any of our products? Contact our Customer Service team below and we will respond within 1 business day.

What is the temperature rating of the Evolution 20?

The Evolution 20 is rated for 20 degrees Fahrenheit, providing reliable warmth in cold conditions.

What material is the hammock made from?

The hammock is constructed from durable 40D Nylon Diamond RS 290 WR fabric, known for its weather-resistant properties.

Does the hammock include a sleeping bag?

Yes, the hammock integrates sleeping bag technology with an under-quilt, eliminating the need for separate quilts.

Are hanging straps included?

No, the hanging kit/straps are not included. You can purchase our hammock suspension options separately.

What accessories come with the hammock?

The hammock includes 2 lightweight aluminum carabiners, a compression sack, and a storage sack.

What are the dimensions of the hammock when unfolded and packed?

When unfolded, the hammock measures 126 x 66 inches. When packed, its dimensions are 20 x 9 x 9 inches.

What is the weight capacity of the hammock?

The hammock supports up to 400 lbs.

How do I clean the hammock?

Refer to the care instructions provided with the hammock for detailed cleaning and maintenance guidelines.