Furnace Layer is the mid layer, the sole intention of which is to give you insulation/warmth. You can add more than one layer here to adjust your body temperate to the desired level. The key qualities for this layer are that it does not restrict the moisture transfer from your Prime Layer to the atmosphere. Furnace products are suitable to be worn with or without a Barrier Layer depending on the conditions and use. Furnace products are semi fitted so they will layer comfortably. As this layer is often used without another layer on top it is important to have good sized, strategically located, zipped pockets. We have also added some zipped vents in strategic locations to help you to dump heat faster.
Available April 2011
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