The Big Agnes Fly Creek UL 25 is a premium, ultralight three-season down sleeping bag designed for those who seek comfort without the extra weight. Crafted with high-quality materials, this minimalist mummy sleeping bag is perfect for fastpacking, thru-hiking, or any overnight adventure. Its ergonomic design, including a streamlined hood and an insulated draft collar, ensures maximum thermal efficiency, making the down sleeping bag a backpacker's dream for three-season temperatures. Ultralight NetPlus nylon ripstop fabric is made from recycled fishing nets for durability and sustainability 850 fill Downtek PFC-Free insulation maintains warmth even when wet Big Agnes Signature Diamond Quilting reduces stitching, saving weight and enhancing loft Mummy fit design allows for quick heating and comfortable temperature maintenance Insulated zipper and draft collar enhance warmth retention and thermal efficiency Ergonomic footbox construction provides better fit and warmth for toes Includes a