It's Marmot's hip girth that fits me so well. Plus I could get shoes and a couple liters of water in the foot box. I have the WM Mitylie (40*), Sycamore (25*), Kodiak (0*) & Bighorn (-25*) and the only one I've used is the Mitylite. The Bighorn is for sale and I might sell the other two if I like the new Marmots.
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...ask for the old paths, where is the good way, and walk therein... (Jeremiah)