Sea to Summit Expander Travel Liner Jackets The G2X Pro is the

The G2X Pro is the most versatile of the series

BATTERIES 3 AAA Alkaline or Lithium

along with knockout features to ensure you're warm and comfortable when winter wails

Adds up to 14 degrees F / 8 degrees C of warmth to a sleeping bag

the Bridger 9” Insulated boot is the right call

Sea to Summit Expander Travel Liner Jackets The G2X Pro is theThe Expander sleeping bag liner is made of a super soft and stretchy knitted poly cotton material. The Rectangular, Traveller and Double models do not have side seams, and combined with the stretch fabric, this offers an unprecedented level of comfot in a budget priced liner. A built in antimicrobial treatment keeps odors at bay and won't wash out of the liner when you throw it in the washing machine. This is the perfect travel companion for those