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Item #:
63571619
Sea to Summit Ether Light XT Extra-Thick Backpacking Air Mattress, Regular (72 x 21.5 x 4 inches)
Item #:
63571619
IMP 378
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Order now and get it around Monday, September 07
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Experience restful backcountry slumber with our ultra-comfortable, extra-thick air mattress that inflates in just a few breaths!
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What Stands Out
Extra Thickness
Designed with a thickness of 4 inches, this air mattress provides superior comfort and insulation, ensuring a restful night's sleep during any backpacking adventure.
Large Size
Measuring 78 x 25 inches, it accommodates larger individuals with ease, offering ample space for movement and superior comfort while camping outdoors.
R-Value Rating
With an impressive R-Value rating, this mattress effectively retains warmth in colder conditions, making it ideal for year-round camping and backpacking trips.
Product Details
| Additional Features | Lightweight |
| Brand Name | Sea to Summit |
| Included Components | Stuff Sack, Field Repair Kit, PillowLock Patches |
| Model Name | Sea to Summit |
| Number of Items | 1 |
| Manufacturer | Sea to Summit |
| Global Trade Identification Number | 09327868096589 |
| Set Name | Regular |
| Manufacturer Part Number | STS-936 |
| Is Extendable | No |
| Model Number | AMELXTR |
| Product Benefits | Comfortable, Quiet, and Durable Sleeping Experience |
| Color | N a |
| Size | Regular (72 x 21.5 4 inches) |
| Item Dimensions L x W x Thickness | 72"L x 21.5"W x 4"Th (182.9 x 54.6 x 10.2 cm) |
| Item Weight | 0.46 Grams |
| Item Thickness | 4 Inches (10.2 cm) |
| Item Display Dimensions | 9.06 x 3.94 x 3.94 inches (23 x 10 x 10 cm) |
| Item Dimensions | 72 x 21.5 x 4 inches (182.9 x 54.6 x 10.2 cm) |
| Item Depth | 4 inches (10.2 cm) |
| Specific Uses For Product | Sleeping |
| Item Firmness Description | Plush |
| Water Resistance Level | Not Water Resistant |
| Number of Layers | 1 |
| Construction Type | Air-filled cells |
| Material Type | Nylon |
| Cover Material | Nylon |
| Fill Material | Air |
| Special Feature | Lightweight |
| Brand | Sea to Summit |
| Product Dimensions (L x W x H) | 72"L x 21.5"W x 4"Th (182.9 x 54.6 x 10.2 cm) |
| Material | Nylon |
Who Should Buy?
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Car Campers
Ideal for car camping due to its comfort and size, providing a restful night's sleep away from home.
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Side Sleepers
The extra-thick design caters well to side sleepers, ensuring proper support and comfort during the night.
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Winter Backpackers
Perfect for winter conditions, the insulated design offers warmth and comfort even in colder temperatures.
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Ultralight Hikers
Not suitable for ultralight hiking due to its weight, which may hinder mobility and pack efficiency.
Product Description
Sea to Summit Ether Light XT Extra-Thick Backpacking Air Mattress, Regular (72 x 21.5 x 4 inches)
Have any Query? Chat with us
Customer Questions & Answers
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Question:
What makes the Sea to Summit Ether Light XT Extra-Thick Air Mattress comfortable?
Answer: The Sea to Summit Ether Light XT Extra-Thick Air Mattress features a 4-inch thickness which enhances comfort by providing substantial cushioning. Additionally, it utilizes a unique Air Sprung Cells technology that distributes air evenly to eliminate pressure points. This design is perfect for campers or backpackers who value a good night's sleep while outdoors. The spacious dimensions (72 x 21.5 inches) cater to various sleeping positions, ensuring a restful experience, whether you're side sleeping or lounging. -
Question:
Is the Sea to Summit Ether Light XT suitable for cold weather camping?
Answer: Yes, the Sea to Summit Ether Light XT Air Mattress is well-suited for cold weather camping. It has an R-value of approximately 3.1, which indicates its ability to insulate against chilly ground temperatures. This means you can stay warm and comfortable even when temperatures drop. Ideal for winter backpacking trips and chilly campsites, this mattress will help maintain your body heat, making it a reliable choice for cold weather enthusiasts who enjoy the great outdoors. -
Question:
How do I inflate the Sea to Summit Ether Light XT Air Mattress?
Answer: Inflating the Sea to Summit Ether Light XT Air Mattress is straightforward. It comes with a versatile valve system that allows for quick and efficient inflation using either a manual pump or by mouth. You can also pair the mattress with the Sea to Summit Air Stream Pump Sack, which reduces moisture and speeds up the process. This convenience is particularly beneficial after a long day of hiking when you want to set up camp quickly and get comfortable as soon as possible. -
Question:
What is the weight capacity of the Ether Light XT Air Mattress?
Answer: The Sea to Summit Ether Light XT Air Mattress can support weights up to 300 pounds. This impressive weight capacity accommodates a range of users, making it ideal for couples or larger individuals looking for comfort while backpacking. Its durable materials ensure reliability over time, even for heavier users, so you can focus on your adventures without worrying about mattress performance. -
Question:
Can the Sea to Summit Ether Light XT be used for indoor purposes?
Answer: Absolutely! The Sea to Summit Ether Light XT Air Mattress is versatile enough for indoor use as well. Whether it's for guests during a family gathering, comfortable lounging, or as a dedicated space for relaxation at home, its cushioned and thick design offers a cozy experience. This adaptability means it can serve various needs, and its compact pack size makes it easy to store when not in use. -
Question:
Is the Sea to Summit Ether Light XT Water Resistant?
Answer: Yes, the Sea to Summit Ether Light XT Air Mattress is made from water-resistant materials that can withstand some moisture. The fabric’s durable finish helps to protect against dew and light splashes, making it suitable for camping near water sources or in humid environments. However, it's wise to keep it dry during heavy rains or wet conditions to prolong its lifespan and performance. -
Question:
How long does it take to deflate the Sea to Summit Ether Light XT?
Answer: Deflating the Sea to Summit Ether Light XT Air Mattress is a quick and hassle-free process. Thanks to its efficient valve design, you can deflate the mattress in just a couple of minutes. Simply open the valve and press down to release air quickly. This feature is especially useful when you're packing up at the end of a camping trip and need to hit the road promptly. -
Question:
What are the dimensions of the Sea to Summit Ether Light XT?
Answer: The Sea to Summit Ether Light XT Air Mattress measures 72 x 21.5 inches and boasts a thickness of 4 inches. This spacious design is tailored for adults and provides ample sleeping area while maintaining a lightweight profile, perfect for backpacking. The mattress length is suitable for taller users, ensuring that you can stretch out comfortably, whether you're in a tent or under the stars. -
Question:
Can I repair the Sea to Summit Ether Light XT if it gets punctured?
Answer: Yes, the Sea to Summit Ether Light XT Air Mattress can be repaired if it gets punctured. It comes with a repair kit that includes adhesive patches designed specifically for air mattresses. Implementing a quick patch can restore your mattress back to functionality, making it ideal for campers who may encounter wildlife or debris while outdoors. This means you won’t need to replace the mattress entirely after a minor incident. -
Question:
Where can I buy the Sea to Summit Ether Light XT Extra-Thick Backpacking Air Mattress in Isle of Man?
Answer: You can purchase the Sea to Summit Ether Light XT Extra-Thick Backpacking Air Mattress from Ubuy in Isle of Man. Ubuy offers a wide range of outdoor gear and equipment, ensuring you get the authentic product along with convenient options for your shopping needs. By choosing Ubuy, you can enjoy a seamless buying experience for your camping essentials.
Sea to Summit Air Mattresses AMELXTR Editorial Review
Sea to Summit Ether Light XT Extra-Thick Backpacking Air Mattress, Regular (72 x 21.5 x 4 inches) offers an exceptional sleeping experience for outdoor enthusiasts. With its plush 4-inch thickness and lightweight design, users find it both comfortable and easy to transport. The mattress inflates quickly by simply puffing air into the outer bag and rolling it to push air through a one-way valve, which only takes about 30 seconds. While it excels in comfort and durability, some users note that it can be quite noisy, potentially disturbing the peace in quiet camping settings. Nonetheless, it remains a favorite for car camping and backpacking alike, as it helps ensure a great night's sleep and reduces soreness for upcoming hikes or sports activities.
Customer Reviews & Ratings
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Pros
- Extremely easy to inflate in under 30 seconds
- Comfortable thickness prevents bottoming out
- Durable against dog nails and rough use
- Lightweight and compact for easy transport
- Includes stuff sack and repair kit
Cons
- Can be quite noisy in quiet settings
Platform Trust & Buyer Confidence
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Mohammad
Verified buyer
“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”
23 July 2026 · via Trustpilot
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Chitra
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“The order and delivery progress was communicated very well. Package arrived within the estimated time. Products arrived as expected in good condition.”
22-Jul-26 · via Trustpilot
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kund
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“Good supply of products. Safe payment methods, and shipment worldwide! Genuine products.”
23-Jul-26 · via Trustpilot
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“Was my first time buying a product from Ubuy, but I found it so helpful. This is reliable. Gonna place a new order!”
22 July 2026 · via Trustpilot
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“Ubuy is a great online platform to buy stuff. Reliable, fast delivery time and great value for money. I've been using Ubuy online shopping platform for three years now and will continue to do so.”
23 July 2026 · via Trustpilot
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Features & Benefits
- Extra-thick 4-inch design for ultimate comfort.
- Lightweight and portable, perfect for backpacking and camping.
- Air Sprung Cell construction for even pressure distribution.
- Multi-function valve allows fast inflation and easy deflation.
- Durable, non-slip fabric for a quiet night's sleep.
- Includes essential accessories for convenience.
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