HotSac VBL
HotSac VBL
HotSac VBL
Western Mountaineering

HotSac VBL

$170.95 CAD
/
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The HotSac™ vapor barrier liner (VBL) is your most important companion for technical winter trips. A VBL works by stopping heat loss from evaporative cooling. Vapor barrier liners also prevent your body vapor from degrading your insulation.
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Detailed Description

This is most important during extended stays inside your bag, particularly if it has a laminated outer shell fabric. Our HotSac™ VBL goes one step further by stopping radiant heat loss with its reflective gold backing. An elastic draw cord at the top of the HotSac™ cinches about your neck to prevent convective heat loss. This proprietary fabric was specifically developed as a two layer lightweight ripstop with a reflective ultra-thin film designed to block moisture vapor transfer. The HotSac™ weighs only 3.5 ounces (101 grams), so light and compact it can be carried in a day pack for use as an emergency bivouac sack.

Features

  • Fits Up to 6ft 6in
  • 0.6 oz. Ripstop Nylon Face Fabric
  • 4.5 oz / 126 g Total Weight

Specifications

  • Shell Fabric: 10D nylon w/Non-Breathable reflective backing
  • Country of Origin: USA

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