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Choosing and Caring For Liners
Ask Baz

Choosing and Caring For Liners

How do I care for my Sea to Summit Reactor, Adaptor, or Silk Liner?

  • Liners can be washed in a home washing machine using normal detergent (referred to as laundry 'soap'). Please note if using a top-loader washing machine, we would strongly suggest putting the liner inside a pillowcase to prevent the impeller (the spiral plastic rotating column in the drum of the machine) possibly snagging the drawcord.
  • Wash on the delicates or gentle cycle.
  • Do not use fabric softener. It will decrease the wicking performance of the fabric.
  • Air dry the liner. Drying the liner in a dryer will expose it to excessive heat that can damage the fabric.

Can I use the Reactor/Reactor Compact Plus/Reactor Extreme/Reactor Fleece Liner as a stand-alone sleeping bag?

If you are using the Reactor/Reactor Compact Plus/Reactor Extreme Liner/Reactor Fleece Liner as a stand-alone bag outdoors (rather than, say, in a hostel), the principal factor to be aware of is moving air. The knit fabric of the Reactors allows air to pass through quite easily, which in their normal use - inside a sleeping bag - helps ensure a comfortable sleeping environment. However, when used as a stand-alone bag, cooler air passing through from the outside will rob you of the warm layer of air you have generated inside the bag.

If you are inside a tent, this is less of a factor; if not, you may need something to cover the bag (perhaps a poncho, or a lightweight bag cover). As far as temperature is concerned, a rough 'rule of thumb' would still put the minimum air temperature at which you would remain comfortable at around 60F / 15C. If you use a lightweight bag cover over the liner (which prevents heat loss due to moving air) a reasonably comfortable temperature rating would be 50F / 10C. The Reactor Extreme would probably be your best bet for this kind of use.

How much additional temperature performance will a thermal liner add to a sleeping bag?

There is an extensive blog post which deals with the add-on thermal performance you can expect from a liner.

It helps to explain the factors involved in heat loss through different sleeping bag designs and through different sleeping pads - and it encourages you to think of a liner, a sleeping bag and a sleeping pad as a layered system. By doing so, you will have much greater chance of creating the right system for your use - and therefore getting a good night's sleep.

 

6 thoughts on “Choosing and Caring For Liners

  1. avatar Baz says:

    G’Day Helen –

    Glad to know that you are such a big fan of the Reactor liner! It makes no difference to the knitted fabric of a Reactor whether it is rolled or stuffed into its stuffsack. From our experience, stuffing it is definitely easier.

    Cheers

    The Sea to Summit Team

  2. avatar Helen Rowles says:

    I love my new Sea to Summit Thermal liner, so thank you very much.
    Do you “stuff” or roll the liner into its pouch?
    Thanks Helen

  3. avatar Baz says:

    G’Day Clint – thanks for reaching out to us. The Thermolite fleece fabric of the Reactor Fleece Liner can safely be stored inside its stuff sack – it will not affect its insulation properties.

    Cheers

    The Sea to Summit team

  4. avatar Clint says:

    Can I store my reactor fleece liner in the bag it came in or should I store it out of its bag with my sleeping bag in the larger mesh bag that come with sleeping bags?

  5. avatar Baz says:

    G’Day Trina – thanks for your question. It’s not essential to wash a Silk/Cotton Blend Liner before use, although may people choose to wash any bedding before first use. When you do wash the liner, you can machine wash it with standard laundry soap, but avoid fabric softeners which will reduce the wicking performance of the fabric. Air drying is preferable to machine-drying, but if you do dry the liner in a dryer, make sure it is on a cool setting. Warmer temperatures will damage the silk.

    Cheers

    The Sea to Summit team

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