The Light Year XP 40 degree is a summer-weight synthetic bag with a hip-length zipper and zippered foot vent that is perfect for lgith and fast adventrues in unpredicatable conditions.
40 F/4 C Mummy
Insulation: Climashield XP. Shell: NPR241T nylon-polyester diamond cross-dye ripstop. Liner: P300T polyester microfiber pongee
Quilt-through construction and chevron stiching.
Efficient, form fitting hood.
Zipper darft tube with anti-snag design and zipper foot vent