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Amazon.com : Double Sleeping Bag for Adults Kids Camping, XL Queen Size Sleeping Bag with 2 Pillows for All Season Hiking Backpacking, 2 Person Sleeping Bag Lightweight Waterproof : Sports & Outdoors
Quick Tip: BagTex - A poor person's VBL | PMags.com
Vapor Barrier Liners: Theory & Application - Andrew Skurka
HotSac VBL | Western Mountaineering
HotSac VBL | Western Mountaineering
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