Big Agnes Wool Sleeping Bag Liner

Any time you can get more Merino wool touching your skin, it's a plus in our book. Which makes the Big Agnes Wool Sleeping Bag Liner a whole bag full of pluses, because it turns the whole inside of your sleeping bag into a cozy soft, moisture-wicking, warm-in-the-winter, cool-in-the-summer delight to slip into after any day in the outdoors.