Expander Travel Liner 43 Coolmax Polyester yarns are engineered

Coolmax Polyester yarns are engineered to move moisture away from your skin

which has three-times the airflow rate of the classic valve thanks to a larger opening and one-way inflation

and on the move wherever you roam

incredibly soft ZQ-certified Merino wool

Expander Travel Liner 43 Coolmax Polyester yarns are engineeredThe Expander sleeping bag liner is a super soft and stretchy poly cotton making it wonderfully stretchy and warm. It's an ideal choice for travel, car camping and any activity or adventure where you want to keep your sleeping bag clean or add additional warmth to your sleeping bag. The 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 if