A workhorse of a sleeping bag, the Marmot Trestles 15F has the versatility and features to be the only sleeping bag you'll need all year round. The Trestles line has been a staple in the industry for years and years, and with good reason. It's a cozy bag that's available in different lengths and widths and has two full-length zippers so it can be opened left or right zip. So many options! The SpiraFil High Loft Insulation in mapped in an "overlapping shingle construction" for optimal warmth retention and dryness. Hey, it works for roofs.
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