The Thermolite® Reactor™ Extreme uses our super insulating 110 g/m2 to seriously increase sleeping bag performance. Whether you are looking to add warmth to your sleeping bag, keep your bag clean or need a lightweight warm weather sleep sheet we have you covered. However, I do stick to my original commntns in that the Reactor liner does not hugely increase a sleeping bag's thermal rating. A good quality sleeping bag should always be paired with a sleeping bag insert or liner. $62.95 . Constructed from Termolite hollow core fibre you can guarantee a cozy bag with minimal weight and packing. Find helpful customer reviews and review ratings for Sea to Summit - Reactor Extreme - Thermolite Mummy Liner, One Size, Red at Amazon.com. Sea to Summit Reactor Extreme - Thermolite Mummy Liner 4.5 out of 5 stars 336. Add to Wish List Add to Compare. If your adventures take you to colder climates, the Reactor Extreme will add plenty of warmth to a sleeping bag. Thermolite® is a hollow core fiber that provides extraordinary warmth for its weight and remains extremely breathable. When the mercury drops you'll appreciate the mummy shape and drawcord hood with mini cord lock attached. The THERMOLITE Reactor Extreme is the warmest backpacking knit sleeping bag liner we offer. The hollow core fibers of the THERMOLITE® fabri ... Get a comfy nights sleep with the help of Sea to Summits Reactor Sleeping Bag Liner. The sleeping bag liner is from Sea to Summit is designed to fit a standard mummy-style sleeping bag, and as a result, has an unpacked length of just under seven feet in length and is 90 cm wide. See our review of the best sleeping bags of 2020, with down and synthetic sleeping bags from Big Agnes, Sea to Summit, and more. Increases sleeping bag performance by up to 25 F (14 C) with super-insulating 110g/m Thermolite® fabric. Increasing the warmth of your sleeping bag (sold separately) by as much as 25 degrees Fahrenheit (14 Degrees Celsius), the Sea to Summit Thermolite Reactor Extreme Liner is perfect for the backpacker looking for versatility to venture out into the coldest of temperatures. Note packaging has recently been changed but you may still get the older style packaging, the liner remains the same. Increase the comfort rating of your sleeping bag by 8°C with this fantastic thermolite liner from Sea to Summit! 4.5 4.5 out of 5 stars from 41 reviews 5 41. Sea to Summit USA. We have previously reviewed the Sea to Summit 100% Silk Travel Liner but for some reason we hadn’t got around to reviewing the Sea to Summit THERMOLITE® Reactor Extreme Liner. From $899.99. The hollow fiber threads work just like the hollow fur of a polar bear in that they trap heat effectively. Free delivery and returns on all eligible orders. Extreme cold calls for extreme measures. Thermolite® is a hollow core fibre that provides amazing warmth for its weight and remains extremely breathable. Sea to Summit Reactor Extreme. The spacious design is slightly tapered from head to foot to reduce weight and increase thermal efficiency, and the drawcord hood can be cinched down for extra warmth when required. Quick Answer - The Best Sleeping Bag Liners; Comparison Table - Best Sleeping Bag Liner; Reviews - The Best Liners for Sleeping Bags. Weight: 15 ounces . Read honest and unbiased product reviews from our users. Sea to Summit claim the Compact Plus adds up to 11°C of warmth to a sleeping bag. Includes a silnylon stuff sack. Sea to Summit Ultra-Sil Dry Sack . Hi all, Has anyone tried using the Sea to Summit Thermolite Reactor Extreme Liner on it’s own as an ultra light summer bag? Combine the liner with a 1 or 2 season sleeping bag to increase it's performance to that of a 3/4 season bag or use alone in warmer climates as a more lightweight alternative to a sleeping bag. Do you sell Sea to Summit sleeping bag liners? From $49.99. Sea to Summit Thermolite® Reactor Extreme Liner The Reactor Extreme uses our super insulating 110g/m ² Thermolite fabric to seriously increase sleeping bag performance. Shop Sea To Summit Thermolite Reactor Extreme Sleeping Bag Liner - Red, 90 x 210 Centimeter. The THERMOLITE® Reactor™ Extreme liner is Sea to Summit’s warmest knitted sleeping bag liner. Dimensions: 200cm x 70cm. BEST FOR: PREVENTING BUG BITES; Sea to Summit Stretch Silk. Price Current Retail: $69.95-$69.99 Historic Range: $55.96-$69.99 ... and lightweight. Thermolite is a lightweight fabric with far superior insulating properties to cotton or silk counterparts, while remaining lightweight as well as machine washable and odour resistant. The liner … Best use: Extreme winter conditions. I use the Snowflake as my UL sleeping bag and have used it down to 4 degrees centigrade. Pack the Sea to Summit Reactor Thermolite Sleeping Bag Liner on trips where the weather could change drastically or for a night under the stars. Curbside Pickup Available NOW! Travel Liners Liners are a crucial component of a purpose built sleep system. Thermolite® is a hollow core fiber that provides extraordinary warmth for its weight and remains extremely breathable. An ergonomic design cuts down on the weight and provides a snug fit suited to those of you under 183cm (6ft). The Thermolite Reactor Compact Plus offers Sea to Summit's most popular sleeping bag liner in a compact size and reduced weight for sleepers under 6ft. Specific features: Soft brushed fleece and extreme warmth rating, quarter zip for ease of access.Mummy shape with paneled hood. Sea to Summit Spark SPIV Down Sleeping Bag . If you are unsure whether your sleeping bag is going to be warm enough then the Sea to Summit Thermolite Reactor Fleece will add warmth and comfort. Sea to Summit Thermolite Reactor Fleece Liner. Add to Wish List Add ... Sea to Summit Premium Expander Liner . Press enter for more information. If the cold particularly affects you, you might want to go for the Extreme model in the Sea to Summit Thermolite range, which boasts up to 15°C extra warmth for an extra 136g in weight. Sea to Summit strives to provide the ultimate solutions for outdoor and travel enthusiasts looking for innovative, durable, lightweight and compact gear. For under $100 this was worth the purchase at the time. $69.65 (201) 201 reviews with an average rating of 4.25 out of 5 stars. Our high quality Sleeping Bags and Accessories Sleeping Bag Liners are thoughtfully designed and built to last season after season. So the best way to protect your treasured sleeping bag is to use a sleeping bag liner. The Best Sleeping Bag Liners. The minimalist design delivers a lightweight and practical way to add warmth to an existing sleeping ba This mummy shaped sleeping bad liner adds up to 15 degrees Fahrenheit to your sleeping bag and can keep you comfortable on a warm night by itself. In fairness, I was using it inside a liner sleeping bag (Macpac Snowflake). Sea To Summit Premium Stretch Knit Expander Sleeping Bag Liner. Move your mouse over image or click to enlarge. Thermolite® is a hollow core fiber that provides extraordinary warmth for its weight and remains extremely breathable. £53.44. Find the best sleeping bag/pad for your next outdoor adventure using our independent reviews and ratings. 1 color available. ... Thermolite Reactor Extreme Sleeping Bag Liner. The Thermolite Reactor liner from Sea to Summit provides an ample amount of warmth while still being breathable. 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