The Aura sleeping bag series offers lightweight, compactable sleeping with premium thermal efficiency. The Aura features synthetic TechLoft Micro insulation consisting of multiple denier staple-length fibers that have a siliconized finish for maximum insulation, loft, and compactness. Two-layer construction and the contoured hooded mummy shape help maximize warmth on chilly nights. The Aura also boasts an insulated chest and zipper baffle to combat heat loss. Comfort and durability are provided with a high-quality nylon ripstop shell and soft polyester liner. The #8 separating zippers provide durability and smooth operation. A second zipper also offers multiple ventilation options or the ability to easily sit up without leaving the warmth and comfort of your bag. The Aura is offered in multiple sizes and temperatures to accommodate most people. Offering you high-quality design and construction at an irresistibly-affordable price, the lightweight, compact Aura won't disappoint on your next backpacking adventure! 4602441 Blue/Charcoal Long