Have you ever cleaned your sleeping bag? Or has it been ten years since it’s been thoroughly washed? Chances are it’s time to give that thing a deep clean, especially before you put it away after the summer camping season, since any trapped moisture will fester in storage. You can get it professionally laundered—tech cleaners like Rainy Pass Repair in Seattle, Washington, or Technical Equipment Cleaners in Truckee, California, will do that for you, either in person or by mail. But it’s also easy to do it yourself. Here’s what you’ll need.

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