After considering fleece and merino, I was intrigued to try Thermolite (a synthetic insulation) and found in this – the Sea To Summit Thermolite Reactor Compact Plus. Review: Sea to Summit Thermolite Reactor Compact Plus sleeping bag liner. I stumbled upon Sea to Summit which makes everything from liners, dry sacks, sleeping bags, and a lot of backpacking essentials to help organize and protect your gear. But because I’d long wanted to extend the season use of my ultra lightweight sleeping bag I gave it a go. View all our subscription options and join the club. Made out of moisture wicking polyester, this liner is lighter than many of the liners made out of fleece and yet still adds over ten degrees of additional warmth to sleepers on those very cold winter nights. While pricey, the S2S Reactor Thermolite claims to boost your sleeping bag’s temperature rating by up to 15 degrees Fahrenheit – a boon perhaps worth splashing out on and which makes it a real contender for the best insulated sleeping bag liner out there. Keep an eye on your inbox for our newsletters. It comes with a handy stuff sack in the event you want to remove the liner from the bag after each nightly use. It essentially uses a combination of two weights of THERMOLITE fabric, with the thicker more insulative being strategically placed across the torso and in the feet area. Jo Stilwell The liner is usually made of a thin cloth and is shaped like a cocoon. A gripe of mine is when an outdoor product comes in a stuff sack and it’s impossible to get the product back into the sack after the first use but that’s not the case with this product. Our Sea to Summit sleeping bag liner review found that with no side zips it can be a little difficult to squish in and out of. Like many sleeping bags, the liner is not the same width from top to bottom. ✓ Available wherever your are – in print and on our website. The bright orange Thermolite fabric has incredible insulating properties and can increase your sleeping bag’s performance by up to 27ºF/15ºC. Another great feature of this liner is that it can be washed far easier than a down sleeping bag. The Thermolite fabric is comprised of hollow-core fibres which insulate by trapping air and wicking moisture away. It rolls easily into the lightweight stuff sack ready for the next use. Sleeping bag liner review: Conclusions. It adds versatility to my sleeping system. A sleeping bag liner is a thin and lightweight cloth sack designed to be slipped inside a sleeping bag. Insulated (eg Thermolite) These sleeping bag liners are made from hollow core fiber insulation and are the warmest of all liners, adding 15-20F to your sleeping bag’s warmth. A sleeping bag liner is a must for every outdoor enthusiast. This Sea to Summit Thermolite Reactor Extreme sleeping bag liner adds a full 25°F of warmth and extends the life of your sleeping bag. It is lightweight as it hardly added any weight and did not present an issue when left in the sleeping bag and the bag was stuffed in its compression sack. Cookies help us deliver our services. It keeps your sleeping bag clean and free of body oils and thus increases its thermal efficiency. Find helpful customer reviews and review ratings for Sea to Summit Reactor Thermolite Sleeping Bag Liner at Amazon.com. Another great feature of this liner is that it can be washed far easier than a down sleeping bag. Since 1991, Wilderness has had one simple goal: to help Kiwis ‘See more, do more, live more’ of New Zealand. Temperature at 5 minutes w/ liner. This is one of my newer pieces of kit and I must admit to scepticism when I saw it claimed to add 11°C of warmth for just 263g. Good sleeping bag liners come in a variety of shapes. The Thermolite Reactor liner from Sea to Summit provides an ample amount of warmth while still being breathable. Review: Gear Aid Wash-In Water Repellent 10oz, Review: Sea to Summit Aeros Ultralight Pillow, Review: Marmot Anderson Lightweight Flannel, Review: Therm-a-Rest Women’s NeoAir Xlite, Review: Outdoor Research Helium bivvy bag, Review: MSR Windburner Personal Stove System, Review: Outdoor Research Astroman Longsleeve Sun Shirt, NZ WordPress design & development by The Fold. ✓ Be entered in the draw to win our monthly subscription prizes. ✓ Read the best outdoor journalism in New Zealand – we’ve won multiple national awards for our stories and the magazine. Read our full Privacy Policy as well as Terms & Conditions. The liner washes really well and is quick drying, great for long distance hikers who need to get back on the trail. I've attempted to be fair and balanced in this sleeping bag liner review, because it's not a trivial piece of gear to purchase. If you value our mission, please consider subscribing. These panels are 110g/m2 Thermolite, whilst the rest of the liner is 80g/m2 Thermolite. We will never sell your data and you'll only get messages from us and our partners whose products and services we think you'll enjoy. But do you know what's the best sleeping bag liner for you? This winter I decided I needed to transition away from my traditional silk liner and try something new. Another plus for this liner is that it can be dual purpose: It can line your winter sleeping bag when it’s cold, or it can also act as a light blanket in summer months when a sleeping bag would be overkill, for example in hostels or huts. We checked out the Sea to Summit Thermolite Reactor Sleeping Bag Liner on a recent camping trip in preparation for a winter hiking trip. Once you've finished reading, you’ll have all the information you need for your next camping adventure. NZ WordPress design & development by The Fold. The impressive weight to warmth ratio, coupled with its comforting feel, makes this liner a great choice. It’s certainly heavier than many of the liners on the market, particularly the silk liner category – but in return it does offer more warmth and comfort so it’s a compromise many will chose to increase the odds of a good rest. If you don’t know how to enable cookies, you can try the instructions here. Reactor Thermolite sleepong bag liner: Extend the comfort range of your mummy sleeping bag Increase warmth by +8 c (14 f) Regular length 210 cm 6' 11 in Width 35 in Brand New This is my first Sea to Summit sleeping bag liner. When I’m crawling into my bag sweaty and dirty from a long hike, the crucial part of my camping set up is actually my sleeping bag liner as it’s what protects the inner of the sleeping bag from potential dirt and/or odour ingress. The liner is made of Thermolite, a synthetic form of insulation used in outdoor clothing and kit which is designed to offer warmth and comfort without compromising on weight. I can use the liner with my heavier winter bag and be confident that even in freezing weather I’ll be warm. Questions? I wild camped 74 times last year and I have experienced my fair share of camping ‘fails’ but my decision to use a liner with my bag has not been one of them. All prices in NZ$. Contact us I saw the switch as an opportunity to add further warmth to my sleep system as my sleeping bag starts to age. At 5ft 7inches, I found the liner to be slightly shorter than I expected, although the material was stretchy, I could pull it over my shoulders but was struggling to get it further up my face without my feet feeling constricted at the other end. , there are two different weights of fabric used wednesday 29 … with our best sleeping clean. 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