Comparison Details

The Premus™, a fully insulated hammock. This hammock allows you leave your tent, sleeping bag, and sleeping pad behind. Hammock camp all year round with the Swayy Premus™.

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The Eira™ - A DownTek™ 800 Fill Power fully insulated hammock. This hammock allows you leave your tent, sleeping bag, and sleeping pad all behind you. Why? It's all built in! One... Stop... Shop...

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Premus

Weight: 3.5lbs

Insulation: 800FP

Length: 10’

Temp: 30°F-70°F

Includes:

  • Hammock

  • Suspension

Eira

Weight: 6.1lbs

Insulation: 100g Synthetic

Length: 10’

Temp: 30°F-70°F

Includes:

  • Hammock

  • Suspension

  • Rain Fly

I brought this hammock for scout camping with my kids. I have tried a lot of different ones and all the under quilts never stayed in place easily. I have taken this on 2 outings where temperatures got close to freezing in the moist Oregon climate. I had not set up the rain fly, but the combo of the hammock and my sleeping bag I was cozy warm and woke up to the outside of the hammock frosted over. I don’t roll around as much as I do with sleeping pads or double nested hammocks. My kids also have tried it out and they want me to replace their hammocks for this one.
— Betsy Mitchelldyer, Eira Owner
Tried this out at Hangcon and loved it. Temp around 40 and rainy. I was cozy and warm - the way hammock camping is supposed to feel. Can’t wait to get my own. I love winter camping but struggle to stay warm. Not any more!
— Cyndy Falgout, Premus User

Premus Construction

  1. The first is the weight bearing layer, or hammock body, is constructed using our Futex™ 1.6oz per square yard, 40 Denier, nylon fabric with a 6-way ripstop to increase strength and durability.

  2. The second is the insulation layer. This layer consists of two layers of Primaloft Silver 3.0oz insulation to keep opulent warmth. Each insulation layer is cut, sewn, darted and pleated in a specific way to create three specific air gaps under your backside that won't compress.

  3. The third is the shell layer. This wind breaking layer is made of our Luxon™ .9oz per square yard, 15 Denier, nylon fabric that is designed to be lightweight and breathable enough to prevent moisture build-up.

  4. The fourth and final piece is the full-length zipper. When zipped up, this allows for total warmth for the chilly nights. When unzipped, this allows for a steady warmth under your bum but keeps it cool enough for summer camping. The zipper is a #8 zipper that is strong, durable, and lightweight.

 

Premus Suspension

  • The carabiners are made of high grade A6061 cold-forged aluminum alloy. Each biner weights 25.7g. The closed gate strength is 10kN and the open strength is 3kN.

  • The cinch buckles are crafted for easy tensile adjustability of the hammock and are made using an aluminum alloy for the perfect balance of strength and weight.

  • The high-tensile strength webbing is made from a polyester and Dyneema blend. This keeps the weight and wearability low and the strength high. Our webbing is 1" wide and is 4.9g per foot.

 

Premus Specs

  • Weight Maximum: 400 lbs / 182 kg

  • Length: 10 ft (11ft for long option)

  • Compression-Sack Dimensions: 10" x 10" x 20"

  • Temperature Rating: Spring-Fall (35-70°F / 1.6 - 21°C)

  • System Weight: 6.1 lbs

  • Weight Bearing Fabric: Futex™ 1.6 oz

  • Shell Fabric: Luxon™ .9 oz

  • Heat Reflection: All Sides

  • Fill: Primaloft® Silver Insulation 3.0 oz

  • Suspension Material: 1" Poly/Dyneema Webbing

  • Carabiners: 25.7g A6061 Cold-Forged Aluminum Alloy. 10kN Closed.

Eira Construction

  1. The first is the weight bearing layer, or hammock body, is constructed using our Futex™ 1.6oz per square yard, 40 Denier, nylon fabric with a 6-way ripstop to increase strength and durability. (Up to 400lbs!)

  2. The second is the insulation layer. This layer consists of 20 tubular baffles that hold 800FP DownTek storm treated goose down. Each baffle is filled with precisely 1.25oz of down.

  3. The third is the shell layer. This wind breaking layer is made of our Luxon™ .9oz per square yard, 15 Denier, nylon fabric that is designed to be lightweight and breathable enough to prevent moisture build-up.

  4. The fourth and final piece is the full-length zipper. When zipped up, this allows for total warmth for the chilly nights. When unzipped, this allows for a steady warmth under your bum but keeps it cool enough for summer camping. The zipper is a #8 zipper that is strong, durable, and lightweight.

 

Eira Suspension

  • The carabiners are made of high grade A6061 cold-forged aluminum alloy. Each biner weights 25.7g. The closed gate strength is 10kN and the open strength is 3kN.

  • Each of the 11g titanium cinch buckles has been crafted for easy tensile adjustability of the hammock.

  • The high-tensile strength webbing is made from a polyester and Dyneema blend. This keeps the weight and wearability low and the strength high. Our webbing is 1" wide and is 4.9g per foot.

Eira Rain-Fly

  • At 2.8 grams per foot, the ridgeline is made of 1/2" high-tensile strength polyester that yields low stretch and 500lbs of breaking strength.

  • The rain-fly is made of our Umbrex™ 2.7oz Wide Sil Nylon. It is a low stretch fabric with a ripstop grid. It has at least 1500 mm of head pressure. This fabric is lightweight and waterproof.

  • The quick deploy sock cover is made of a 1.6oz 6-way ripstop nylon designed for ease of access to shelter when the storms come rolling in. When the sun comes out, simply place the four titanium nail stakes in their respective channels and pull the sock back to encase your shelter.

  • The 6" and 2.8g ultralight titanium nail stakes can be driven into hard soil without getting bent or damaged.

Eira Specs

  • Weight Maximum: 400 lbs / 182 kg

  • Stuff-Sack Dimensions: 15” x 8.5” x 6”

  • Hammock Overall Length: 10’ (11' for long option)

  • Temperature Rating: Four Season (35-70°F / 1.6 - 21°C)

  • System Weight: 3.5 lbs

  • Weight Bearing Fabric: Futex™ 1.6 oz

  • Shell Fabric: Luxon™ .9 oz

  • Heat Reflection: All Side Insulation

  • Construction: Baffled Fill: 800 FP DownTek™ Storm Down

  • Suspension Material: 1" Polypro Webbing (Polyester Dyneema Blend)

  • Carabiners: 25.7g A6061 Cold-Forged Aluminum Alloy. 10kN Closed.

  • Rainfly Dimensions: 138" × 73" / 350.5cm × 193cm

  • Anchors: 4 Reinforced Points

  • Fly Sock: 12'

  • Fabric: Umbrex™ 2.7oz

  • Shock Cord: Reflecting 1/8" .4oz 4

  • Stakes: .3oz Titanium

  • Outer Layer: DWR Finish