Hot Sac Vapor Barrier Liner Specs:
This fire engine red vapor barrier liner is your most important companion for those technical winter trips. A VBL works by stopping heat loss from evaporative cooling. A VBL will also prevent your body vapor from degrading your insulation. This is most important during extended stays inside your bag. Our Hot Sac™ VBL goes one step further by stopping radiant heat loss with its reflective metal coating. An elastic draw cord at the top of the Hot Sac™ cinches about your neck to prevent convective heat loss. This proprietary fabric is a new lightweight ripstop. The new Hot Sac™ weighs only 4.5 ounces and is light enough to carry on day trips as an emergency bivy.
Western Mountaineering products qualify for free economy shipping in the contiguous (lower) 48 states. Expedited services (3-Day, 2nd Day and Overnight) are available, and the estimate at checkout will be used as an estimate only. Your order total will be adjusted to reflect the true and proper shipping total for expedited costs.
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Since 1971, HermitsHut.com has offered a wide selection of outdoor gear and equipment for lightweight backpacking, hiking and mountaineering adventures; industrial and commercial applications; as well as military, tactical, rescue and fire rescue applications from brands like Arc'teryx, Yates, Western Mountaineering, Petzl, Black Diamond, Mountain Hardwear , The North Face, Grivel, Garmont, K2, MSR, Mad Rock, Big Agnes, Terramar, Integral Designs, Marmot, and more.
We offer a full service ski and board shop. We also rent ski and snowboard equipment, mountaineering equipment, and general camping gear.