Sleeping Bag Liner Hydration 72 Watts of power delivered

72 Watts of power delivered to your most crucial devices in a fraction of the time

Taffeta at the beginning of the mitts means snow can't cling and the gauntlet drawcord helps to keep out any persistent precipitation

Hydration made simple

our 4 Degree™ Elite Fit System for a dialed-in

Sleeping Bag Liner Hydration 72 Watts of power deliveredThe soft and comforting Cotton Ascent Sleeping Bag Liner offers the ideal middle ground between silk and fleece. Built from a poly cotton mix for added durability, the mummy cut Cotton Ascent Sleeping Bag Liner weighs 340g and comes with its own stuff sack. Though not as warm as microfleece or as light as silk, its strength, longevity and cost effectiveness make it a great investment for extra comfort and sleeping bag protection.