Big Agnes System bags with FireLine ECO synthetic insulation offer a roomy, rectangle-shaped sleeping space with an integrated Flex Pad Sleeve on the bottom. With technical fabrics and construction, 100% recycled, super-warm insulation, and tons of comfort features, these comfortable sleeping bags are designed to be lightweight enough for backpacking but cozy enough you’ll want them in the campground too. The streamlined silhouette and Flow construction increase the thermal efficiency keeping you warm from head to toe. The Flex Pad Sleeve unites easily with your pad, and as you change positions over the course of the night, will keep you from rolling off your pad.
Lost Dog 15 (FireLine Eco)
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Why Our Prices Are So LowWe source directly from factories and overstock suppliers — no middlemen, no retail markup. That's how we offer brand-new products at deep discounts.
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Fast & Free ShippingAll items ship free within the U.S. Most deliveries arrive in just 4–7 business days — no hidden fees at checkout.
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Free 30-Day ReturnsNot satisfied with your purchase? Simply return it within 30 days for a full refund — no restocking fees, no hassle.
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