The Hot Sac Vapor Barrier Liner is the perfect solution for adding essential warmth to your sleeping bag during winter camping trips. Made with lightweight ripstop material, it effectively prevents heat loss from evaporative cooling and ensures that the insulation remains intact over time. The liner features a metallic interior that reflects your own body heat back to you, providing you with even more warmth and comfort.

Key Features:

• Specially designed for winter trips
• Prevents heat loss from evaporative cooling
• Reflects body heat for additional warmth
• Elastic drawcord for a snug fit around your neck

Material 100% nylon ripstop

Shape liner

Claimed Weight 4.5oz

Manufacturer Warranty lifetime