Read honest and unbiased product reviews from our users. The THERMOLITE Reactor Extreme is the warmest backpacking knit sleeping bag liner we offer. The Thermolite Reactor liner from Sea to Summit provides an ample amount of warmth while still being breathable. The Reactor adds up to 8°C of warmth to a sleeping bag or can be used alone as a warm weather bag. This soft and stretchy mummy-bag liner can add some serious warmth, increasing your sleeping bag warmth by up to 14C, so you to sleep comfortably without needing to change sleeping bags. Find the best Sea to Summit Reactor Extreme Thermolite Sleeping Bag Liner at L.L.Bean. All Sleeping Bags and Pads. Sea to Summit Thermolite Reactor Extreme Bag Liner increases sleeping bag performance by up to 25°F (14°C) with super-insulating 110g/m² Thermolite® fabric. See our review of the best sleeping bags of 2020, with down and synthetic sleeping bags from Big Agnes, Sea to Summit, and more. Add to Wish List Add to Compare. The THERMOLITE® Reactor™ Extreme liner is Sea to Summit’s warmest knitted sleeping bag liner. 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. Move your mouse over image or click to enlarge. Quick Answer - The Best Sleeping Bag Liners; Comparison Table - Best Sleeping Bag Liner; Reviews - The Best Liners for Sleeping Bags. 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. Spacious design allows for a comfortable night’s sleep, even when the mercury plummets. Note packaging has recently been changed but you may still get the older style packaging, the liner remains the same. Cinchable drawcord hood. ... Get a comfy nights sleep with the help of Sea to Summits Reactor Sleeping Bag Liner. Find helpful customer reviews and review ratings for Sea to Summit - Reactor Extreme - Thermolite Mummy Liner, One Size, Red at Amazon.com. 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. Our high quality Sleeping Bags and Accessories Sleeping Bag Liners are thoughtfully designed and built to last season after season. 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. Sea to Summit Spark SPIV Down Sleeping Bag . A good quality sleeping bag should always be paired with a sleeping bag insert or liner. The minimalist design delivers a lightweight and practical way to add warmth to an existing sleeping ba 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. An ergonomic design cuts down on the weight and provides a snug fit suited to those of you under 183cm (6ft). Add to Cart. 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. In warmer weather, it can be used a ‘stand alone’ sleeping bag. I’m considering it for a 2 night trip in early September but would like to get some feedback on how well (or not) it would work. Do you sell Sea to Summit sleeping bag liners? on sale . Even though this sleeping bag liner is marketed towards those sleeping in cold conditions, I find it versatile enough to use in temperate climates as well. So the best way to protect your treasured sleeping bag is to use a sleeping bag liner. Browse Sea to Summit's top-rated sleeping bags and pads and more. Our bestselling sleeping bag liner! Sea To Summit Premium Stretch Knit Expander 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. The Reactor is made from 80g/ m² Thermolite®—the lightest weight Thermolite® fabric available. The hollow fiber threads work just like the hollow fur of a polar bear in that they trap heat effectively. Unsere Premium Silk Liner werden aus leichter Ripstop- Seide hergestellt. If your adventures take you to colder climates, the Reactor Extreme will add plenty of warmth to a sleeping bag. Shop Sea To Summit Thermolite Reactor Extreme Sleeping Bag Liner - Red, 90 x 210 Centimeter. For under $100 this was worth the purchase at the time. Specific features: Soft brushed fleece and extreme warmth rating, quarter zip for ease of access.Mummy shape with paneled hood. 1 color available. Sea to Summit inspires adventure at every altitude with perfectly designed outdoor gear that brings you closer to nature than ever before. Thermolite® is a hollow core fiber that provides extraordinary warmth for its weight and remains extremely breathable. Add to Cart. Extreme cold calls for extreme measures. Sea to Summit Reactor Extreme. 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. Sea to Summit Ultra-Sil Dry Sack . If you don’t want the added bulk of the fleece one, but still want some warmth then the Sea to Summit Thermolite Reactor Extreme is well worth a look. When the mercury drops you'll appreciate the mummy shape and drawcord hood with mini cord lock attached. Add to Wish List Add ... Sea to Summit Premium Expander Liner . In fairness, I was using it inside a liner sleeping bag (Macpac Snowflake). Sea to Summit Thermolite Reactor Extreme Liner #8 in unisex Sleeping Bag Liners Specs. Constructed from Termolite hollow core fibre you can guarantee a cozy bag with minimal weight and packing. The liner … Find the best sleeping bag/pad for your next outdoor adventure using our independent reviews and ratings. Weight: 15 ounces . Made of 110g/sq.m hollow-core Thermolite® polyester knit fabric. 110g/m2 stretchy Thermolite® panelling in the core body and foot bed areas of this liner provides warmth for your body, adding up to 11°C to your sleeping bag warmth. ... Thermolite Reactor Extreme Sleeping Bag Liner. 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. The Best Sleeping Bag Liners. Sea To Summit Reactor Thermolite Sleeping Bag Liner. Some sleeping bag liners, such as the Sea To Summit Thermolite Reactor Compact Plus liner can increase the temperature rating of your bag by 11℃, which can make an enormous difference to your warmth. £53.44. Press enter for more information. Increases sleeping bag performance by up to 25 F (14 C) with super-insulating 110g/m Thermolite® fabric. The hollow core fibers of the THERMOLITE® fabri Thermolite® is a hollow core fibre that provides amazing warmth for its weight and remains extremely breathable. From $899.99. 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. Sea to Summit Thermolite Reactor Fleece Liner. Free delivery and returns on all eligible orders. Curbside Pickup Available NOW! BEST FOR: BACKPACKERS NEEDING A LIGHTWEIGHT LINER; ALPS Mountaineering Mummy. 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. I use the Snowflake as my UL sleeping bag and have used it down to 4 degrees centigrade. Trailspace's community of gear reviewers has field-tested and rated the top sleeping bag liners. Shop for Sea to Summit Sleeping Bag Liners at REI - FREE SHIPPING With $50 minimum purchase. Hi all, Has anyone tried using the Sea to Summit Thermolite Reactor Extreme Liner on it’s own as an ultra light summer bag? BEST FOR: PREVENTING BUG BITES; Sea to Summit Stretch Silk. Increasing the warmth of your sleeping bag by using a sleeping bag liner can also make your sleeping bag a lot more versatile. Includes a silnylon stuff sack. $62.95 . Perfect for extending the season of your sleeping bag. Increase the comfort rating of your sleeping bag by 8°C with this fantastic thermolite liner from Sea to Summit! 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. The Thermolite® Reactor™ Extreme uses our super insulating 110 g/m2 to seriously increase sleeping bag performance. The purpose of a liner is to protect the sleeping bag from your body’s dirt and oils, along with boosting the warmth of the bag. Sea to Summit Thermolite Reactor Extreme. Thermolite® is a hollow core fiber that provides extraordinary warmth for its weight and remains extremely breathable. Sea to Summit claim the Compact Plus adds up to 11°C of warmth to a sleeping bag. 100% Satisfaction Guarantee. $69.65 (201) 201 reviews with an average rating of 4.25 out of 5 stars. Best use: Extreme winter conditions. Neben den hervorragenden Wicking- und Isolierungseigenschaften der Seide bietet sie ein zusätzlichen Komfort: dehnbare Einlagen – Comfort Stretch Panels - an beiden Seiten, um eine bessere Bewegungsfreiheit zu gewähren. Sea To Summit Reactor Thermolite Sleeping Bag Liner. Dimensions: 200cm x 70cm. The Sea To Summit Thermolite Reactor Extreme Liner increases sleeping bag performance by up to 25 F (14 C) with super-insulating 110g/m Thermolite® fabric. Sea to Summit Reactor Extreme - Thermolite Mummy Liner 4.5 out of 5 stars 336. Sea to Summit USA. From $49.99. An ultra-lightweight option for bolstering the performance of your sleeping bag (sold separately) or for stand-alone use as a minimalist warm-weather sleep solution, the Sea to Summit Thermolite Reactor Liner is a versatile addition to your gear closet. Sea to Summit strives to provide the ultimate solutions for outdoor and travel enthusiasts looking for innovative, durable, lightweight and compact gear. 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