Sea To Summit Reactor Thermolite Liner (adds up to 14°F) | Mummy | Black 2 Gallon it is constructed with lightweight

it is constructed with lightweight carbon fiber specially designed for trail runners

Walls: Ripstop nylon 15D

Please check and replace the O-ring regularly to maintain the waterproof rating

ft Floor Area (Metric) 2

Sea To Summit Reactor Thermolite Liner (adds up to 14°F) | Mummy | Black 2 Gallon it is constructed with lightweightThe THERMOLITE Reactor liner is our top selling and lightest thermal sleeping bag liner. It's an excellent cold weather option for those who need additional warmth. The hollow core fibers trap heat and offer extraordinary insulating properties. This is a super stretchy, soft, and comfortable choice with a mummy shape, foot box and a drawcord hood. Compact and lighter weight than fleece, this is a best seller for good reason. Features Traps insulating