Sea to Summit
0 ratings
Sea to Summit Sleep System: Reactor Liner and Spark Sleeping Bag
genuine image
Sea to Summit Sleep System: Reactor Liner and Spark Sleeping Bag
Experience ultimate comfort and warmth with the Sea to Summit Sleep System combining the Reactor Liner and Spark Sleeping Bag.
Sea to Summit Sleep System: Reactor Liner and Spark Sleeping Bag
Item #: 97925867

Sea to Summit Sleep System: Reactor Liner and Spark Sleeping Bag

Item #: 97925867

GBP 452

Price Details

Price
GBP 452

Excluding Shipping, VAT & Custom charges ( Shipping, VAT and custom charges will be calculated on checkout.
If Item price + shipping is below GBP 135, 20% VAT will be calculated on checkout, if it is equal or above GBP 135, no VAT will be charged. )

0 ratings Write a review
In stock
us Imported from USA store

QTY:

Excluding VAT : VAT will be calculated on the checkout page
Order now and get it around Tuesday, September 08
Secured transactionsecured transaction

Ubuy works hard to protect your security and privacy. Our advanced payment security system ensures confidentiality by encrypting your information during transmission using AES (Advanced Encryption Standards) and SSL (Secure Socket Layer) protocols. Your payment details are 100% secure as we do not share your payment details with third party sellers.

Our Top Logistics Partners
  • fedex
  • dhl
Experience ultimate comfort and warmth with the Sea to Summit Sleep System combining the Reactor Liner and Spark Sleeping Bag.
U-Care Warranty:
None
Select a Plan
buy now pay later

Buy Now Pay Later

fast shipping

Fast
Shipping

free return

Free
Return*

secure packaging

Secure Packaging

100% original products

100% Original Products

pci-dss

PCI DSS Compliance

iso certified

ISO 27001 Certified

paypal payment
visa payment
mastercard payment
clearpay payment
klarna payment
Note: Step Down Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.

What Stands Out

Thermal Efficiency
The Reactor Liner enhances warmth and insulation, allowing users to extend their sleeping bag's temperature range by up to 14°F, ensuring comfort in colder conditions.
Lightweight Design
Weighing in at just 1.5 lbs, this sleep system is incredibly lightweight and packable, making it ideal for backpackers and hikers who prioritize minimizing gear weight.
Versatile Use
The combination of the Reactor Liner and Spark Sleeping Bag offers customizable comfort for various camping conditions, providing an adaptable solution for both warm and cool weather adventures.

Product Details

Shop Sea to Summit Sleep System: Reactor Liner and Spark Sleeping Bag online at a best price in UK. B0D458PJ6R
Item Weight2.5 lbs (1.13 kg)

Who Should Buy?

Suitable For
  • Backcountry Campers

    Ideal for backcountry campers needing lightweight and compact sleeping solutions without compromising warmth and comfort.

  • Travel Enthusiasts

    Great for travelers seeking a versatile sleep system that can adapt to various environments and temperature fluctuations.

  • Cold Weather Hikers

    Perfect for hikers who often encounter cold conditions, providing extra insulation when added to other sleeping bags.

Not Suitable For
  • Budget Shoppers

    Not ideal for those on a tight budget, as the quality and features may come at a higher price point.

Product Description

Sea to Summit Sleep System: Reactor Liner and Spark Sleeping Bag

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What is the Sea to Summit Reactor Liner and how does it enhance the sleeping experience?

    Answer: The Sea to Summit Reactor Liner is a versatile sleeping bag liner designed to improve warmth and comfort while sleeping. When paired with the Spark Sleeping Bag, it adds an extra layer of insulation, helping you retain heat in cooler environments. This combination is particularly beneficial for backpackers and campers who encounter varying temperatures. The liner is lightweight and compact, making it easy to pack, and can also be used independently as a sleeping bag in warmer conditions.
  • Question: Is the Reactor Liner suitable for all types of sleeping bags?

    Answer: Yes, the Reactor Liner is designed to fit most sleeping bags on the market. It enhances the thermal efficiency of your sleeping bag while providing an additional layer of comfort. This compatibility allows campers and outdoor enthusiasts to upgrade their existing gear. Moreover, using the liner can also aid in keeping your sleeping bag cleaner for longer, as it provides a protective barrier against sweat and grime.
  • Question: What are the temperature ratings for the Spark Sleeping Bag and Reactor Liner?

    Answer: The Spark Sleeping Bag has various temperature ratings based on its model, typically ranging from mild to cooler conditions. When combined with the Reactor Liner, it increases the overall thermal performance by several degrees, making this combination suitable for late spring through early fall adventures. Understanding these ratings helps campers choose the right setup for their adventure's climate conditions, ensuring a comfortable night’s sleep.
  • Question: Can the Reactor Liner be used for purposes other than sleeping?

    Answer: Absolutely! The Reactor Liner can be used in various scenarios beyond just a sleeping bag liner. It functions effectively as a lightweight blanket in hostels, as a standalone sleeping solution for summer camping, or even as a protective layer on unfamiliar beds. Its versatility is appreciated by minimalists and travelers who prioritize functionality in their gear.
  • Question: How do I properly clean and maintain the Reactor Liner and Spark Sleeping Bag?

    Answer: Cleaning the Reactor Liner and Spark Sleeping Bag is straightforward. Both can typically be washed using a gentle cycle with mild detergent, although it's always wise to check the care labels for specific instructions. Regular cleaning maintains hygiene and prolongs the life of your equipment. Maintaining these products pays off during outdoor trips, allowing you to stay comfortable and fresh in the field.
  • Question: What materials are used in the Reactor Liner and Spark Sleeping Bag?

    Answer: The Reactor Liner features a blend of soft, lightweight fabrics that enhance insulation without adding bulk. The Spark Sleeping Bag is crafted from high-quality down, which is renowned for its thermal efficiency and compressibility. These materials not only contribute to a lightweight design but also ensure that users can pack their gear easily and travel without added weight.
  • Question: What are the key features of the Sea to Summit Spark Sleeping Bag?

    Answer: The Sea to Summit Spark Sleeping Bag boasts a range of features including a tapered design for reduced weight and increased warmth, high-loft down insulation for superior thermal efficiency, and a moisture-repellent exterior to keep you dry. These features cater to ultralight backpackers who require high performance without the weight burden. Utilizing this sleeping bag during cold weather adventures ensures a cozy night’s rest in challenging conditions.
  • Question: Is the Sea to Summit Sleep System easy to pack and carry?

    Answer: Yes, both the Reactor Liner and Spark Sleeping Bag are designed for ease of packing and portability. They can be compressed into small sizes, allowing for efficient use of space in backpacks. This is ideal for hikers and travelers who need to minimize gear bulk while maximizing functional comfort. Their lightweight design means you can carry them without added strain on your outdoor adventures.
  • Question: What are the dimensions of the Reactor Liner and Spark Sleeping Bag?

    Answer: The Reactor Liner typically comes in standard lengths to accommodate different body sizes, while the Spark Sleeping Bag is available in multiple sizes as well. These dimensions are optimized for comfort without excess material, ensuring that users can move freely inside their sleeping setup. Knowing these dimensions helps campers choose the right fit for comfort and warmth based on their individual needs.
  • Question: Where can I buy Sea to Summit Sleep System: Reactor Liner and Spark Sleeping Bag in UK?

    Answer: You can buy the Sea to Summit Sleep System: Reactor Liner and Spark Sleeping Bag from Ubuy, which offers a diverse selection of outdoor gear and equipment. Ubuy provides a reliable platform for outdoor enthusiasts to purchase quality products that enhance their camping and backpacking experiences.

Sea to Summit Liners Editorial Review

No editorial reviews found

Customer Reviews & Ratings

5.0
1 customers ratings
  • 5 Star
    100%
  • 4 Star
    0%
  • 3 Star
    0%
  • 2 Star
    0%
  • 1 Star
    0%

Review this product

Share your thoughts with other customers

Platform Trust & Buyer Confidence

trustpilot logo
4.3/5 9,000 + reviews
Read reviews
MT
Mohd
Verified buyer

“The product received very good packaging & safe…Thank You”

16 June 2026 · via Trustpilot
SJ
Shawati
Verified buyer

“Accurate delivery timing given”

16 June 2026 · via Trustpilot
YB
Youcef
Verified buyer

“Not madly expensive like I thought, and much quicker than promised.”

15 June 2026 · via Trustpilot
LM
Leila
Verified buyer

“Never dealt with Ubuy before, but everything worked out great. Seamless cross border purchasing and shipping. Thanks!”

6/7/2026 · via Trustpilot
KA
Kwame
Verified buyer

“The process was smooth, with clear communication and timelines. This was my 1st purchase and I am really impressed. I will definitely be coming back.”

12 June 2026 · via Trustpilot
Secure Checkout Global Delivery Easy Returns Genuine Products

Product Price History

Important information

  • Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
  • Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.

GBP 452

Excluding VAT : VAT will be calculated on the checkout page

Order now and get it around Tuesday, September 08

QTY:

Secured transactionsecured transaction

PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.

Our Top Logistics Partners
  • fedex
  • dhl
Fastest cross-border delivery

Features & Benefits

  • Includes Reactor Liner and Spark Sleeping Bag for maximum comfort.
  • Constructed with high-quality nylon for durability.
  • Reactor Liner provides added warmth and insulation.
  • Spark Ultralight Down Sleeping Bag is ideal for 45-degree temperatures.
  • Compact and lightweight design perfect for camping or backpacking.
  • Easy to pack and carry for outdoor adventures.

Ubuy Assurance

Experience worry-free shopping with 100% original products, PCI DSS-compliant payment security, ISO 27001-certified data protection, the fastest cross-border delivery, free returns *, and secure packaging on every order.