The Trestles 0 is a reliable all-purpose bag for everything from weekend camping to days on the trail. Made with Marmot's SpiraFil® LT high loft insulation, wave construction and 3D hood keep you warm and comfortable, while a long list of features gives you everything you'd expect from 40 years of crafting sleeping bags.Read more
SpiraFil™ is a unique blend of large, spiral hollow fibers for loft, and small polyester fibers for warmth, softness and compressability. SpiraFil™ provides an exceptional combination of warmth, softness, low weight, and compactibility. Thermal bonding ensures high tear strength and long-term durability.