Asgard Strata Duo LT | Ultralight 4-Season Insulated Sleeping Pad

Description

 

Sleep Warmer Through Four Seasons

Cold ground can ruin a good camp, even when your sleeping bag is warm enough.

The Asgard Strata Duo LT is built for backpackers and campers who want real insulation, low packed weight, and dependable comfort in one sleeping pad. With a printed R-Value 7, ASTM F3340-22 lab-tested warmth up to 7.5, and an 8 cm thick air-cushioned design, it is made for shoulder-season trips, winter ground, alpine camps, and year-round use.

This is not a bulky self-inflating pad and not a basic summer air mattress. It is a lightweight insulated sleeping pad designed for people who need strong warmth-to-packability performance on the trail.

 

Why Choose Asgard Strata Duo LT

• 4-season insulation: Printed R-Value 7, with official lab testing up to 7.5 under ASTM F3340-22.
• Dual air chamber design: Adds backup security and helps retain meaningful insulation even if one chamber loses air.
• 8 cm comfort thickness: Better pressure relief for hips, shoulders, and uneven ground.
• Lightweight materials: 20D nylon + TPU keeps weight low while packing down small.
• Two shape options: Choose Mummy for lower packed weight or Rectangle for extra sleeping room.
• Fast inflation: Includes an electronic pump for quick setup and lower internal moisture than mouth inflation.

 

Product Description

If you are looking for the best insulated sleeping pad for backpacking and cold-weather camping, the decision usually comes down to four things: warmth, weight, comfort, and reliability.

The Asgard Strata Duo LT is designed around those four priorities.

Its insulated dual-chamber construction helps block cold ground while adding a practical layer of security for remote trips. If one chamber loses pressure, the pad can still retain useful insulation performance, which gives it an advantage over simpler single-chamber designs.

At 8 cm thick, Strata Duo LT helps cushion hips and shoulders better than many thinner pads, which matters on hard-packed campsites, rocky ground, and winter terrain. The 20D nylon + TPU build keeps the pad compact enough for backpacking while still delivering the comfort people expect from a modern inflatable camping pad.

The result is a pad that works well for backpacking, winter camping, alpine overnights, shoulder-season trips, and car camping when warmth still matters.

If you want an ultralight 4-season insulated sleeping pad that packs small, feels stable, and gives you a warmer night on cold ground, Strata Duo LT is built for that job.

 

Choose the Right Shape

Mummy

Choose the Mummy version if you want the lighter, more packable option for backpacking and weight-conscious trips.

• Size: 74.8 x 25.2 x 3.15 in (190 x 64 x 8 cm)
• Packed size: 3.54 x 3.54 x 7.48 in (9 x 9 x 19 cm)
• Net Weight: 20.1 oz (570 g)

Best for:

• Backpacking
• Fast-and-light trips
• Alpine overnights
• Campers who prioritize lower pack weight

 

Rectangle

Choose the Rectangle version if you want more sleeping space and a roomier feel at camp.

• Size: 78.7 x 25.2 x 3.15 in (200 x 64 x 8 cm)
• Packed size: 3.54 x 3.54 x 7.87 in (9 x 9 x 20 cm)
• Weight: 23.3 oz (660 g)

Best for:

• Side sleepers
• Campers who move around at night
• Users who want more full-width support
• Car camping and backpacking where comfort matters more than saving every gram

 

Specs

• Series: Asgard Strata Duo LT
• Materials: 20D Nylon + TPU
• Inflation Thickness: 3.15 in (8 cm)
• R-Value (ASTM F3340-22): Printed: 7 (Lab-tested up to 7.5)
  • R-Value 7 printed on product; independent lab tests show up to 7.5 under ASTM F3340-22
• Warranty: Contact us via our contact page for prompt assistance.
• Color Options / Variations:
  • Silver: Mummy (Regular) / Rectangle (XL)

 

Mummy specifications

• Product Dimensions (Ready to Use): 74.8 x 25.2 x 3.15 in (190 x 64 x 8 cm)
• Product Dimensions (Packed Size): 3.54 x 3.54 x 7.48 in (9 x 9 x 19 cm)
• Net Weight: 20.1 oz (570 g)
• Gross Weight: 21.9 oz (620 g) (Varies by Shipping Package)

 

Rectangle specifications

• Product Dimensions (Ready to Use): 78.7 x 25.2 x 3.15 in (200 x 64 x 8 cm)
• Product Dimensions (Packed Size): 3.54 x 3.54 x 7.87 in (9 x 9 x 20 cm)
• Net Weight: 23.3 oz (660 g)
• Gross Weight: 25.4 oz (720 g) (Varies by Shipping Package)

 

What’s Included?

• Strata Duo LT Sleeping Pad
• Electronic Air Pump (Prototype Gift Unit)
  • This complimentary first-generation pump is supplied as a prototype, and performance may vary.
  • When connected to a power bank or USB source, it may need a gentle knock to begin running.
  • Looking for a premium retail-grade option? see our Asgard Strata Electric Air Pump.

 

Warnings

• Pump pressure limit: When using non-Asgard pumps, do not exceed 0.7 PSI to avoid delamination.
• Surface check: Clear sharp objects before setup to reduce puncture risk.
• Moisture control: Prefer electronic pump inflation to minimize internal moisture and extend life.
• Important: The included electronic air pump is a first-generation test unit. It may not function like a retail-grade pump. When using with a power bank, it may need a gentle knock to activate.

 

How to Use?

1. Unroll and stage:
   • Lay the pad flat with valves accessible; clear the ground of sharp debris.
2. Inflate Chamber A:
   • Attach the included electronic pump, or use the Asgard Packraft Hand Pump for manual control.
   • Inflate until the pad takes shape but remains slightly soft.
3. Inflate Chamber B:
   • Repeat for the second chamber; fine-tune firmness by brief pumps or by tapping the release.
   • If using another brand of pump, do not exceed 0.7 PSI.
4. Adjust for comfort:
   • Aim for a slight give under hips and shoulders to avoid pressure points.
5. Deflate and pack:
   • Open valves, roll tightly to purge air, and stow to packed size.

 

Return & Exchange

For more information, please visit refund policy.

 

FAQs

Q: What is the best camping sleeping pad for year-round trips?
A: Strata Duo LT delivers up to R 7.5 warmth, dual-chamber safety, and 8 cm comfort for true four-season use.

Q: The pad says R-Value 7 but you mention 7.5. Which is correct?
A: The product is printed with R-Value 7 for consistency, but our official ASTM F3340-22 test results show it reaches up to 7.5. We print a conservative figure to ensure realistic expectations in all conditions.

Q: Is a self inflating sleeping pad warmer than an inflatable with a pump?
A: Not necessarily. This inflatable pad is lab-tested under ASTM F3340-22 to an R up to 7.5, exceeding many self inflating designs.

Q: How does it compare to closed-cell foam pads?
A: Closed-cell foam pads are lighter and inexpensive but much less warm and far bulkier to pack. Strata Duo LT delivers far higher insulation (tested up to R 7.5) and retains meaningful warmth even if one chamber fails (R > 5), while packing much smaller than most closed-cell pads.

Q: Why does the included electronic air pump sometimes not start immediately?
A: The included electronic air pump is a complimentary first-generation prototype provided as a gift. Because it’s an early test unit, performance can vary. When powered from a bank or USB source, it may need a gentle knock to activate. You can also use any other compatible pump under 0.7 PSI if you prefer consistent operation. For a premium retail-grade option, see our Asgard Strata Electric Air Pump. You can also use a manual option like the Asgard Packraft Hand Pump.

Q: Can I use other electronic pumps?
A: Yes, but keep pressure under 0.7 PSI to avoid internal delamination.

Q: What are the packed sizes and weights for backpacking?
A: Regular packs to 3.54 x 3.54 x 7.48 in at 20.1 oz; XL to 3.54 x 3.54 x 7.87 in at 23.3 oz.

Q: Does it include a pump?
A: Yes. An electronic air pump is included for fast, low-moisture inflation.

Q: Is R-Value 7 enough for winter camping?
A: Yes. A sleeping pad with a printed R-Value 7 and lab-tested performance up to 7.5 is designed for cold ground, winter camps, and four-season use where insulation matters.

Q: What does dual air chamber mean on a sleeping pad?
A: It means the pad uses two air chambers instead of one. On Strata Duo LT, that design adds backup security and helps maintain useful insulation performance even if one chamber loses air.

Q: Is this a good sleeping pad for backpacking?
A: Yes. Both versions pack small, and the Mummy shape is especially suitable for backpackers who want strong insulation without carrying a bulky winter pad.

Q: Should I choose Mummy or Rectangle?
A: Choose Mummy if you want lower weight and smaller packed size. Choose Rectangle if you want more room to move and fuller support while sleeping.

Q: Is this sleeping pad good for side sleepers?
A: Yes. The 8 cm thickness provides more cushioning than thinner pads, and the Rectangle version is the better option for side sleepers who want extra room.