Check the listing for details. REI Halo 40° Degree Down Sleeping Bag - Men’s Regular. Condition: Pre-owned. Listed at 109.99 USD. The REI Halo 40° Degree Down Sleeping Bag is a high-quality, light-weight sleeping bag designed for outdoor enthusiasts. With a mummy shape and filled with warm down insulation, this sleeping bag is perfect for cold weather camping trips. The nylon shell provides durability, while the 40° degree rating ensures a comfortable night's sleep. Recommended for men in a regular size, this sleeping bag is a reliable choice for camping and hiking adventures. The bag is like-new, not sure its ever been slept in. No wear or stains or odors. Misplaced the original stuff sack but I can include a off-brand stuff or compression sack.The REI Halo 40° Degree Down Sleeping Bag is a high-quality, light-weight sleeping bag designed for outdoor enthusiasts. With a mummy shape and filled with warm down insulation, this sleeping bag is perfect for cold weather camping trips. The nylon shell provides durability, while the 40° degree rating ensures a comfortable night's sleep. Recommended for men in a regular size, this sleeping bag is a reliable choice for camping and hiking adventures. The bag is like-new, not sure its ever been slept in. No wear or stains or odors. Misplaced the original stuff sack but I can include a off-brand stuff or compression sack.