The Light Year Down 40° is a lightweight summer bag. This popular 650-fill-power down bag features an efficient, sculpted hood and an ultralight compression sack for light and fast adventures.

• Shape: Mummy
• Quilt-through construction
• Chevron stitching
• Efficient, form-fitting hood
• Hip-length, two-way locking zipper
• Zipper draft tube with anti-snag design
• Zippered foot vent
• Internal liner loops
• External snap loops allow bag to function as a liner
• Sleeping pad security loops
• Hang loops for storage
• Micro FatMan and Ribbon™ drawcords
• Micro captured cordlock
• Ground-level side seams prevent heat from escaping
• Differential cut to maximize loft and warmth
• Ultralight compression stuff sack included
• Storage sack included