"First," Sarah said, pointing to the '20°F' stitched on her bag, "you have to know your limits. This is a , meaning it keeps me safe down to 20 degrees, but I’m most comfortable around 30. You’re using a 'summer' bag in the middle of autumn. You always want a bag rated about 10 degrees lower than the coldest night you expect." 2. The Shape (Type)
Leo tucked his chin into his chest, dreaming of marshmallows and R-values. how to buy a sleeping bag for camping
"Exactly," she laughed. "This is a . Because it’s snug and has a hood, my body doesn't have to waste energy heating up empty air space. Rectangular bags are great for car camping or people who move their legs a lot, but for warmth and weight, the mummy is king." 3. The Filling (Technology) "What's inside it?" Leo asked, poking the soft fabric. "First," Sarah said, pointing to the '20°F' stitched
The flickering light of the campfire danced across Leo’s face as he shivered, his thin fleece blanket doing nothing against the mountain air. Beside him, Sarah was practically purring in her puffy cocoon. You always want a bag rated about 10
Leo shifted on the hard ground. "I just bought the bag. I didn't think I needed a mattress."
"That’s your biggest mistake," Sarah warned. "The ground sucks the heat right out of your body. You need a with a good R-value (insulation rating). Without a pad, even a thousand-dollar sleeping bag won't save you from the cold earth."
Leo looked at his rectangular bag. "Mine is shaped like a bed. Yours looks like a... sarcophagus."