The 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, backpacking 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 you're wanting a luxuriously comfortable sleep.
Packed Size Comparison
Single: Paperback book (summer reading size)
Double: Two ready-made rice packets
Mummy: 12 oz ≈ Two tubes of toothpaste
Traveler w/ Pillow Insert: 13.4 oz ≈ Lighter than a roll of paper towels
Rectangular: 11 oz ≈ Slightly less than two apples or one huge crispy apple
Long Rectangular: 12.4 oz ≈ Two tubes of toothpaste
Double: 21.9 oz ≈ 20oz cup of coffee
Feels like your favorite t-shirt
Easy to wash and helps to keep your down bag cleaner for longer.