- Home Page /
- Sports Outdoor & Fitness /
- Outdoor Recreation /
- Camping & Hiking /
- Sleeping Bags & Camp Bedding /
- Sleeping Bag Accessories /
- Liners /
- Sea to Summit Thermolite Reactor Extreme Slee...

Sea to Summit Reactor series insulated sleeping bag liners add warmth and improve personal hygiene to any sleeping bag. These liners feature Thermolite hollow core insulation, are lightweight and stretchable. Available in four different weights, making your existing sleeping bag warmer and more versatile.
Sea to Summit Thermolite Reactor Extreme Sleeping Bag Liner - Red, 90 x 210 Centimeter
USD 201
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
*All items will import from US
QTY:
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.
Sea to Summit Reactor series insulated sleeping bag liners add warmth and improve personal hygiene to any sleeping bag. These liners feature Thermolite hollow core insulation, are lightweight and stretchable. Available in four different weights, making your existing sleeping bag warmer and more versatile.
Fast
Shipping
Free
Return*
Secure Packaging
100% Original Products
PCI DSS Compliance
ISO 27001 Certified
What Stands Out
Product Details
| Package Weight | 1 Pound |
Who Should Buy?
-
Cold Weather Campers
Ideal for campers looking for extra warmth in cold environments, enhancing sleeping bag insulation effectively.
-
Backpackers
Lightweight and compact, perfect for backpackers who need a versatile liner for added warmth without bulk.
-
Travelers
Great for travelers staying in hostels or unclean accommodations who want an extra layer of hygiene.
-
Warm Climates
Not suitable for users in warmer environments, as it may overheat during mild temperatures.
-
Heavy Packers
Not intended for users who prioritize minimal weight, since some may prefer sleeping bags alone.
-
Budget Buyers
Not ideal for those on a tight budget, as the product can be considered a higher-end purchase.
Product Description
Sea to Summit Thermolite Reactor Extreme Sleeping Bag Liner - Red, 90 x 210 Centimeter
Customer Questions & Answers
-
Question:
What is the primary function of the Sea to Summit Thermolite Reactor Extreme Sleeping Bag Liner?
Answer: The primary function of the Sea to Summit Thermolite Reactor Extreme Sleeping Bag Liner is to increase the thermal efficiency of your sleeping bag. This liner is designed to add warmth in cold conditions, effectively making your sleeping setup more comfortable. With its lightweight and compact design, it can also be used independently for warmer nights. Whether you are camping in chilly mountain areas or just looking to extend the usability of your existing sleeping bag, this liner gives you the needed versatility. -
Question:
What materials is the Thermolite Reactor Extreme made from?
Answer: The Thermolite Reactor Extreme Sleeping Bag Liner is made from high-performance Thermolite fabric, known for its exceptional insulation properties. This synthetic fabric wicks moisture away from the body and dries quickly. It is soft to the touch and enhances comfort during use. This makes it ideal for both outdoor adventures and cozy retreats at home, catering to users who value both warmth and a pleasant tactile experience. -
Question:
Can I use the liner on its own without a sleeping bag?
Answer: Yes, you can use the Sea to Summit Thermolite Reactor Extreme Sleeping Bag Liner on its own, especially in warmer conditions. The liner’s design offers standalone functionality for minimalists or those who enjoy summer camping. It provides a light layer of warmth while being breathable. This feature is perfect for getting a good night's sleep when tenting in milder climates or while lounging indoors. -
Question:
Is the sleeping bag liner machine washable?
Answer: Yes, the Sea to Summit Thermolite Reactor Extreme Sleeping Bag Liner is machine washable. It is recommended to follow the care instructions provided on the label to maintain its performance. Regular washing ensures hygiene, especially after outdoor activities, and keeps the fabric in good condition. This feature makes the liner an practical choice for regular use during camping trips or backpacking adventures. -
Question:
How much additional warmth can I expect from this liner?
Answer: The Sea to Summit Thermolite Reactor Extreme Sleeping Bag Liner can increase the thermal performance of your sleeping bag by up to 14 degrees Fahrenheit (8 degrees Celsius). This can make a significant difference in cold weather camping, giving you additional comfort and warmth. Whether you are traversing through the colder months or at higher altitudes, this added layer can be crucial for a cozy sleep experience. -
Question:
What is the size of the Sea to Summit Thermolite Reactor Extreme Sleeping Bag Liner?
Answer: The Sea to Summit Thermolite Reactor Extreme Sleeping Bag Liner comes in a generous size of 90 x 210 centimeters, making it suitable for a variety of body types and sleeping bag lengths. Its spacious design enhances comfort while allowing freedom of movement during sleep. This is particularly beneficial for taller individuals or those who prefer extra room to sleep comfortably in a confined space. -
Question:
Can I use the liner with any sleeping bag?
Answer: Yes, the Sea to Summit Thermolite Reactor Extreme Sleeping Bag Liner is compatible with nearly any sleeping bag. It can be layered inside of a traditional sleeping bag to enhance warmth or serve as a protective inner layer. This versatility allows you to use it with various sleeping bags, be it for hiking, camping, or family outings, making it a practical addition to your outdoor gear. -
Question:
Is this liner suitable for travel?
Answer: Absolutely, the Sea to Summit Thermolite Reactor Extreme Sleeping Bag Liner is an ideal choice for travel. Its lightweight and compact design makes it easy to pack in any travel bag or luggage without adding much weight. Whether you're backpacking across the world or simply staying in hostels, this liner provides a familiar layer of comfort wherever you go, ensuring a more enjoyable travel experience. -
Question:
What colors are available for the Sea to Summit Thermolite Reactor Extreme Sleeping Bag Liner?
Answer: The Sea to Summit Thermolite Reactor Extreme Sleeping Bag Liner is available in a striking red color. This vibrant hue not only makes it visually appealing but also allows for easy visibility when camping outdoors. The eye-catching design enhances your camping aesthetics while ensuring you can quickly find your gear in low light conditions or amongst nature's backdrop. -
Question:
Where can I buy the Sea to Summit Thermolite Reactor Extreme Sleeping Bag Liner in Turks and Caicos?
Answer: You can buy the Sea to Summit Thermolite Reactor Extreme Sleeping Bag Liner from Ubuy, which offers a convenient way to purchase outdoor gear and accessories online. Ubuy provides a reliable shopping platform with a wide range of outdoor products, making it easier for you to find and purchase this essential camping gear.
Sea to Summit Liners Editorial Review
Customer Reviews & 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
“The product received very good packaging & safe…Thank You”
“Accurate delivery timing given”
“Not madly expensive like I thought, and much quicker than promised.”
“Never dealt with Ubuy before, but everything worked out great. Seamless cross border purchasing and shipping. Thanks!”
“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.”
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.
USD 201
Order now and get it around Sunday, July 12
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
QTY:
PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.
Features & Benefits
- Insulated sleeping bag liner adds extra warmth and personal hygiene to any sleeping bag
- Thermolite hollow core insulation is lightweight, soft and comfortable with stretch knit construction
- Available in four different weights, making your existing sleeping bag warmer and more versatile.
- Mummy shaped with toe-box, draw cord hood and included stuff sack
- Extreme (M) Dimensions 83 x 35-inches; packed size 6.5 x 4.5-inches; weight 14oz
- Reactor Fleece can be used on its own, adding up to 32F degree while still packing down smaller than most fleece blankets.
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.